20728085760

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:435

約数の個数: 576

約数和(自身を含む): 77881305600

約数和(自身を除く): 57153219840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 89, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 178, 180, 184, 192, 207, 216, 230, 240, 256, 267, 270, 276, 288, 293, 320, 345, 356, 360, 368, 384, 414, 432, 445, 460, 480, 534, 540, 552, 576, 586, 621, 640, 690, 712, 720, 736, 768, 801, 828, 864, 879, 890, 920, 960, 1035, 1068, 1080, 1104, 1152, 1172, 1242, 1280, 1335, 1380, 1424, 1440, 1465, 1472, 1602, 1656, 1728, 1758, 1780, 1840, 1920, 2047, 2070, 2136, 2160, 2208, 2304, 2344, 2403, 2484, 2637, 2670, 2760, 2848, 2880, 2930, 2944, 3105, 3204, 3312, 3456, 3516, 3560, 3680, 3840, 4005, 4094, 4140, 4272, 4320, 4395, 4416, 4688, 4806, 4968, 5274, 5340, 5520, 5696, 5760, 5860, 5888, 6141, 6210, 6408, 6624, 6739, 6912, 7032, 7120, 7360, 7911, 8010, 8188, 8280, 8544, 8640, 8790, 8832, 9376, 9612, 9936, 10235, 10548, 10680, 11040, 11392, 11520, 11720, 12015, 12282, 12420, 12816, 13185, 13248, 13478, 14064, 14240, 14720, 15822, 16020, 16376, 16560, 17088, 17280, 17580, 17664, 18423, 18752, 19224, 19872, 20217, 20470, 21096, 21360, 22080, 22784, 23440, 24030, 24564, 24840, 25632, 26077, 26370, 26496, 26956, 28128, 28480, 29440, 30705, 31644, 32040, 32752, 33120, 33695, 34176, 34560, 35160, 36846, 37504, 38448, 39555, 39744, 40434, 40940, 42192, 42720, 44160, 46880, 48060, 49128, 49680, 51264, 52154, 52740, 52992, 53912, 55269, 56256, 56960, 60651, 61410, 63288, 64080, 65504, 66240, 67390, 68352, 70320, 73692, 75008, 76896, 78231, 79110, 79488, 80868, 81880, 84384, 85440, 88320, 92115, 93760, 96120, 98256, 99360, 101085, 102528, 104308, 105480, 107824, 110538, 112512, 113920, 121302, 122820, 126576, 128160, 130385, 131008, 132480, 134780, 140640, 147384, 153792, 156462, 158220, 158976, 161736, 163760, 168768, 170880, 181953, 184230, 187520, 192240, 196512, 198720, 202170, 205056, 208616, 210960, 215648, 221076, 225024, 234693, 242604, 245640, 253152, 256320, 260770, 262016, 264960, 269560, 276345, 281280, 294768, 303255, 307584, 312924, 316440, 323472, 327520, 337536, 341760, 363906, 368460, 375040, 384480, 391155, 393024, 397440, 404340, 417232, 421920, 431296, 442152, 469386, 485208, 491280, 506304, 512640, 521540, 524032, 539120, 552690, 562560, 589536, 599771, 606510, 615168, 625848, 632880, 646944, 655040, 675072, 704079, 727812, 736920, 768960, 782310, 786048, 794880, 808680, 834464, 843840, 862592, 884304, 909765, 938772, 970416, 982560, 1012608, 1025280, 1043080, 1078240, 1105380, 1125120, 1173465, 1179072, 1199542, 1213020, 1251696, 1265760, 1293888, 1310080, 1408158, 1455624, 1473840, 1537920, 1564620, 1572096, 1617360, 1668928, 1687680, 1725184, 1768608, 1799313, 1819530, 1877544, 1940832, 1965120, 2025216, 2086160, 2156480, 2210760, 2346930, 2358144, 2399084, 2426040, 2503392, 2531520, 2587776, 2620160, 2816316, 2911248, 2947680, 2998855, 3075840, 3129240, 3234720, 3337856, 3375360, 3520395, 3537216, 3598626, 3639060, 3755088, 3881664, 3930240, 4172320, 4312960, 4421520, 4693860, 4716288, 4798168, 4852080, 5006784, 5063040, 5175552, 5397939, 5632632, 5822496, 5895360, 5997710, 6258480, 6469440, 6675712, 7040790, 7074432, 7197252, 7278120, 7510176, 7763328, 7860480, 8344640, 8625920, 8843040, 8996565, 9387720, 9596336, 9704160, 10013568, 10126080, 10795878, 11265264, 11644992, 11790720, 11995420, 12516960, 12938880, 14081580, 14148864, 14394504, 14556240, 15020352, 15526656, 16193817, 16689280, 17686080, 17993130, 18775440, 19192672, 19408320, 20027136, 21591756, 22530528, 23289984, 23581440, 23990840, 25033920, 25877760, 26989695, 28163160, 28789008, 29112480, 30040704, 32387634, 33378560, 35372160, 35986260, 37550880, 38385344, 38816640, 43183512, 45061056, 46579968, 47981680, 50067840, 53979390, 56326320, 57578016, 58224960, 60081408, 64775268, 70744320, 71972520, 75101760, 76770688, 77633280, 80969085, 86367024, 90122112, 95963360, 100135680, 107958780, 112652640, 115156032, 116449920, 129550536, 143945040, 150203520, 153541376, 161938170, 172734048, 180244224, 191926720, 215917560, 225305280, 230312064, 232899840, 259101072, 287890080, 300407040, 323876340, 345468096, 383853440, 431835120, 450610560, 460624128, 518202144, 575780160, 647752680, 690936192, 767706880, 863670240, 901221120, 1036404288, 1151560320, 1295505360, 1381872384, 1727340480, 2072808576, 2303120640, 2591010720, 3454680960, 4145617152, 5182021440, 6909361920, 10364042880, 20728085760]

約数ペア:

[(1, 20728085760), (2, 10364042880), (3, 6909361920), (4, 5182021440), (5, 4145617152), (6, 3454680960), (8, 2591010720), (9, 2303120640), (10, 2072808576), (12, 1727340480), (15, 1381872384), (16, 1295505360), (18, 1151560320), (20, 1036404288), (23, 901221120), (24, 863670240), (27, 767706880), (30, 690936192), (32, 647752680), (36, 575780160), (40, 518202144), (45, 460624128), (46, 450610560), (48, 431835120), (54, 383853440), (60, 345468096), (64, 323876340), (69, 300407040), (72, 287890080), (80, 259101072), (89, 232899840), (90, 230312064), (92, 225305280), (96, 215917560), (108, 191926720), (115, 180244224), (120, 172734048), (128, 161938170), (135, 153541376), (138, 150203520), (144, 143945040), (160, 129550536), (178, 116449920), (180, 115156032), (184, 112652640), (192, 107958780), (207, 100135680), (216, 95963360), (230, 90122112), (240, 86367024), (256, 80969085), (267, 77633280), (270, 76770688), (276, 75101760), (288, 71972520), (293, 70744320), (320, 64775268), (345, 60081408), (356, 58224960), (360, 57578016), (368, 56326320), (384, 53979390), (414, 50067840), (432, 47981680), (445, 46579968), (460, 45061056), (480, 43183512), (534, 38816640), (540, 38385344), (552, 37550880), (576, 35986260), (586, 35372160), (621, 33378560), (640, 32387634), (690, 30040704), (712, 29112480), (720, 28789008), (736, 28163160), (768, 26989695), (801, 25877760), (828, 25033920), (864, 23990840), (879, 23581440), (890, 23289984), (920, 22530528), (960, 21591756), (1035, 20027136), (1068, 19408320), (1080, 19192672), (1104, 18775440), (1152, 17993130), (1172, 17686080), (1242, 16689280), (1280, 16193817), (1335, 15526656), (1380, 15020352), (1424, 14556240), (1440, 14394504), (1465, 14148864), (1472, 14081580), (1602, 12938880), (1656, 12516960), (1728, 11995420), (1758, 11790720), (1780, 11644992), (1840, 11265264), (1920, 10795878), (2047, 10126080), (2070, 10013568), (2136, 9704160), (2160, 9596336), (2208, 9387720), (2304, 8996565), (2344, 8843040), (2403, 8625920), (2484, 8344640), (2637, 7860480), (2670, 7763328), (2760, 7510176), (2848, 7278120), (2880, 7197252), (2930, 7074432), (2944, 7040790), (3105, 6675712), (3204, 6469440), (3312, 6258480), (3456, 5997710), (3516, 5895360), (3560, 5822496), (3680, 5632632), (3840, 5397939), (4005, 5175552), (4094, 5063040), (4140, 5006784), (4272, 4852080), (4320, 4798168), (4395, 4716288), (4416, 4693860), (4688, 4421520), (4806, 4312960), (4968, 4172320), (5274, 3930240), (5340, 3881664), (5520, 3755088), (5696, 3639060), (5760, 3598626), (5860, 3537216), (5888, 3520395), (6141, 3375360), (6210, 3337856), (6408, 3234720), (6624, 3129240), (6739, 3075840), (6912, 2998855), (7032, 2947680), (7120, 2911248), (7360, 2816316), (7911, 2620160), (8010, 2587776), (8188, 2531520), (8280, 2503392), (8544, 2426040), (8640, 2399084), (8790, 2358144), (8832, 2346930), (9376, 2210760), (9612, 2156480), (9936, 2086160), (10235, 2025216), (10548, 1965120), (10680, 1940832), (11040, 1877544), (11392, 1819530), (11520, 1799313), (11720, 1768608), (12015, 1725184), (12282, 1687680), (12420, 1668928), (12816, 1617360), (13185, 1572096), (13248, 1564620), (13478, 1537920), (14064, 1473840), (14240, 1455624), (14720, 1408158), (15822, 1310080), (16020, 1293888), (16376, 1265760), (16560, 1251696), (17088, 1213020), (17280, 1199542), (17580, 1179072), (17664, 1173465), (18423, 1125120), (18752, 1105380), (19224, 1078240), (19872, 1043080), (20217, 1025280), (20470, 1012608), (21096, 982560), (21360, 970416), (22080, 938772), (22784, 909765), (23440, 884304), (24030, 862592), (24564, 843840), (24840, 834464), (25632, 808680), (26077, 794880), (26370, 786048), (26496, 782310), (26956, 768960), (28128, 736920), (28480, 727812), (29440, 704079), (30705, 675072), (31644, 655040), (32040, 646944), (32752, 632880), (33120, 625848), (33695, 615168), (34176, 606510), (34560, 599771), (35160, 589536), (36846, 562560), (37504, 552690), (38448, 539120), (39555, 524032), (39744, 521540), (40434, 512640), (40940, 506304), (42192, 491280), (42720, 485208), (44160, 469386), (46880, 442152), (48060, 431296), (49128, 421920), (49680, 417232), (51264, 404340), (52154, 397440), (52740, 393024), (52992, 391155), (53912, 384480), (55269, 375040), (56256, 368460), (56960, 363906), (60651, 341760), (61410, 337536), (63288, 327520), (64080, 323472), (65504, 316440), (66240, 312924), (67390, 307584), (68352, 303255), (70320, 294768), (73692, 281280), (75008, 276345), (76896, 269560), (78231, 264960), (79110, 262016), (79488, 260770), (80868, 256320), (81880, 253152), (84384, 245640), (85440, 242604), (88320, 234693), (92115, 225024), (93760, 221076), (96120, 215648), (98256, 210960), (99360, 208616), (101085, 205056), (102528, 202170), (104308, 198720), (105480, 196512), (107824, 192240), (110538, 187520), (112512, 184230), (113920, 181953), (121302, 170880), (122820, 168768), (126576, 163760), (128160, 161736), (130385, 158976), (131008, 158220), (132480, 156462), (134780, 153792), (140640, 147384)]