20571644160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:638

約数の個数: 432

約数和(自身を含む): 74327198400

約数和(自身を除く): 53755554240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 139, 144, 145, 160, 174, 180, 192, 232, 240, 256, 261, 278, 288, 290, 320, 348, 360, 384, 417, 435, 443, 464, 480, 522, 556, 576, 580, 640, 695, 696, 720, 768, 834, 870, 886, 928, 960, 1044, 1112, 1152, 1160, 1251, 1280, 1305, 1329, 1390, 1392, 1440, 1668, 1740, 1772, 1856, 1920, 2085, 2088, 2215, 2224, 2304, 2320, 2502, 2610, 2658, 2780, 2784, 2880, 3336, 3480, 3544, 3712, 3840, 3987, 4031, 4170, 4176, 4430, 4448, 4640, 5004, 5220, 5316, 5560, 5568, 5760, 6255, 6645, 6672, 6960, 7088, 7424, 7974, 8062, 8340, 8352, 8860, 8896, 9280, 10008, 10440, 10632, 11120, 11136, 11520, 12093, 12510, 12847, 13290, 13344, 13920, 14176, 15948, 16124, 16680, 16704, 17720, 17792, 18560, 19935, 20016, 20155, 20880, 21264, 22240, 22272, 24186, 25020, 25694, 26580, 26688, 27840, 28352, 31896, 32248, 33360, 33408, 35440, 35584, 36279, 37120, 38541, 39870, 40032, 40310, 41760, 42528, 44480, 48372, 50040, 51388, 53160, 53376, 55680, 56704, 60465, 61577, 63792, 64235, 64496, 66720, 66816, 70880, 72558, 77082, 79740, 80064, 80620, 83520, 85056, 88960, 96744, 100080, 102776, 106320, 106752, 111360, 113408, 115623, 120930, 123154, 127584, 128470, 128992, 133440, 141760, 145116, 154164, 159480, 160128, 161240, 167040, 170112, 177920, 181395, 184731, 192705, 193488, 200160, 205552, 212640, 231246, 241860, 246308, 255168, 256940, 257984, 266880, 283520, 290232, 307885, 308328, 318960, 320256, 322480, 334080, 340224, 362790, 369462, 385410, 386976, 400320, 411104, 425280, 462492, 483720, 492616, 510336, 513880, 515968, 533760, 554193, 567040, 578115, 580464, 615770, 616656, 637920, 644960, 725580, 738924, 770820, 773952, 800640, 822208, 850560, 923655, 924984, 967440, 985232, 1020672, 1027760, 1031936, 1108386, 1156230, 1160928, 1231540, 1233312, 1275840, 1289920, 1451160, 1477848, 1541640, 1547904, 1601280, 1644416, 1701120, 1785733, 1847310, 1849968, 1934880, 1970464, 2055520, 2216772, 2312460, 2321856, 2463080, 2466624, 2551680, 2579840, 2770965, 2902320, 2955696, 3083280, 3095808, 3288832, 3571466, 3694620, 3699936, 3869760, 3940928, 4111040, 4433544, 4624920, 4643712, 4926160, 4933248, 5103360, 5159680, 5357199, 5541930, 5804640, 5911392, 6166560, 7142932, 7389240, 7399872, 7739520, 7881856, 8222080, 8867088, 8928665, 9249840, 9287424, 9852320, 9866496, 10714398, 11083860, 11609280, 11822784, 12333120, 14285864, 14778480, 14799744, 15479040, 15763712, 16071597, 16444160, 17734176, 17857330, 18499680, 19704640, 21428796, 22167720, 23218560, 23645568, 24666240, 26785995, 28571728, 29556960, 29599488, 32143194, 35468352, 35714660, 36999360, 39409280, 42857592, 44335440, 46437120, 47291136, 49332480, 53571990, 57143456, 59113920, 64286388, 70936704, 71429320, 73998720, 78818560, 80357985, 85715184, 88670880, 107143980, 114286912, 118227840, 128572776, 141873408, 142858640, 147997440, 160715970, 171430368, 177341760, 214287960, 228573824, 236455680, 257145552, 285717280, 321431940, 342860736, 354683520, 428575920, 457147648, 514291104, 571434560, 642863880, 685721472, 709367040, 857151840, 1028582208, 1142869120, 1285727760, 1371442944, 1714303680, 2057164416, 2285738240, 2571455520, 3428607360, 4114328832, 5142911040, 6857214720, 10285822080, 20571644160]

約数ペア:

[(1, 20571644160), (2, 10285822080), (3, 6857214720), (4, 5142911040), (5, 4114328832), (6, 3428607360), (8, 2571455520), (9, 2285738240), (10, 2057164416), (12, 1714303680), (15, 1371442944), (16, 1285727760), (18, 1142869120), (20, 1028582208), (24, 857151840), (29, 709367040), (30, 685721472), (32, 642863880), (36, 571434560), (40, 514291104), (45, 457147648), (48, 428575920), (58, 354683520), (60, 342860736), (64, 321431940), (72, 285717280), (80, 257145552), (87, 236455680), (90, 228573824), (96, 214287960), (116, 177341760), (120, 171430368), (128, 160715970), (139, 147997440), (144, 142858640), (145, 141873408), (160, 128572776), (174, 118227840), (180, 114286912), (192, 107143980), (232, 88670880), (240, 85715184), (256, 80357985), (261, 78818560), (278, 73998720), (288, 71429320), (290, 70936704), (320, 64286388), (348, 59113920), (360, 57143456), (384, 53571990), (417, 49332480), (435, 47291136), (443, 46437120), (464, 44335440), (480, 42857592), (522, 39409280), (556, 36999360), (576, 35714660), (580, 35468352), (640, 32143194), (695, 29599488), (696, 29556960), (720, 28571728), (768, 26785995), (834, 24666240), (870, 23645568), (886, 23218560), (928, 22167720), (960, 21428796), (1044, 19704640), (1112, 18499680), (1152, 17857330), (1160, 17734176), (1251, 16444160), (1280, 16071597), (1305, 15763712), (1329, 15479040), (1390, 14799744), (1392, 14778480), (1440, 14285864), (1668, 12333120), (1740, 11822784), (1772, 11609280), (1856, 11083860), (1920, 10714398), (2085, 9866496), (2088, 9852320), (2215, 9287424), (2224, 9249840), (2304, 8928665), (2320, 8867088), (2502, 8222080), (2610, 7881856), (2658, 7739520), (2780, 7399872), (2784, 7389240), (2880, 7142932), (3336, 6166560), (3480, 5911392), (3544, 5804640), (3712, 5541930), (3840, 5357199), (3987, 5159680), (4031, 5103360), (4170, 4933248), (4176, 4926160), (4430, 4643712), (4448, 4624920), (4640, 4433544), (5004, 4111040), (5220, 3940928), (5316, 3869760), (5560, 3699936), (5568, 3694620), (5760, 3571466), (6255, 3288832), (6645, 3095808), (6672, 3083280), (6960, 2955696), (7088, 2902320), (7424, 2770965), (7974, 2579840), (8062, 2551680), (8340, 2466624), (8352, 2463080), (8860, 2321856), (8896, 2312460), (9280, 2216772), (10008, 2055520), (10440, 1970464), (10632, 1934880), (11120, 1849968), (11136, 1847310), (11520, 1785733), (12093, 1701120), (12510, 1644416), (12847, 1601280), (13290, 1547904), (13344, 1541640), (13920, 1477848), (14176, 1451160), (15948, 1289920), (16124, 1275840), (16680, 1233312), (16704, 1231540), (17720, 1160928), (17792, 1156230), (18560, 1108386), (19935, 1031936), (20016, 1027760), (20155, 1020672), (20880, 985232), (21264, 967440), (22240, 924984), (22272, 923655), (24186, 850560), (25020, 822208), (25694, 800640), (26580, 773952), (26688, 770820), (27840, 738924), (28352, 725580), (31896, 644960), (32248, 637920), (33360, 616656), (33408, 615770), (35440, 580464), (35584, 578115), (36279, 567040), (37120, 554193), (38541, 533760), (39870, 515968), (40032, 513880), (40310, 510336), (41760, 492616), (42528, 483720), (44480, 462492), (48372, 425280), (50040, 411104), (51388, 400320), (53160, 386976), (53376, 385410), (55680, 369462), (56704, 362790), (60465, 340224), (61577, 334080), (63792, 322480), (64235, 320256), (64496, 318960), (66720, 308328), (66816, 307885), (70880, 290232), (72558, 283520), (77082, 266880), (79740, 257984), (80064, 256940), (80620, 255168), (83520, 246308), (85056, 241860), (88960, 231246), (96744, 212640), (100080, 205552), (102776, 200160), (106320, 193488), (106752, 192705), (111360, 184731), (113408, 181395), (115623, 177920), (120930, 170112), (123154, 167040), (127584, 161240), (128470, 160128), (128992, 159480), (133440, 154164), (141760, 145116)]