256417920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 512

約数和(自身を含む): 1057536000

約数和(自身を除く): 801118080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 27, 30, 32, 33, 36, 38, 40, 44, 45, 48, 54, 55, 57, 60, 64, 66, 71, 72, 76, 80, 88, 90, 95, 96, 99, 108, 110, 114, 120, 128, 132, 135, 142, 144, 152, 160, 165, 171, 176, 180, 190, 192, 198, 209, 213, 216, 220, 228, 240, 264, 270, 284, 285, 288, 297, 304, 320, 330, 342, 352, 355, 360, 380, 384, 396, 418, 426, 432, 440, 456, 480, 495, 513, 528, 540, 568, 570, 576, 594, 608, 627, 639, 640, 660, 684, 704, 710, 720, 760, 781, 792, 836, 852, 855, 864, 880, 912, 960, 990, 1026, 1045, 1056, 1065, 1080, 1136, 1140, 1152, 1188, 1216, 1254, 1278, 1320, 1349, 1368, 1408, 1420, 1440, 1485, 1520, 1562, 1584, 1672, 1704, 1710, 1728, 1760, 1824, 1881, 1917, 1920, 1980, 2052, 2090, 2112, 2130, 2160, 2272, 2280, 2343, 2376, 2432, 2508, 2556, 2565, 2640, 2698, 2736, 2840, 2880, 2970, 3040, 3124, 3135, 3168, 3195, 3344, 3408, 3420, 3456, 3520, 3648, 3762, 3834, 3905, 3960, 4047, 4104, 4180, 4224, 4260, 4320, 4544, 4560, 4686, 4752, 5016, 5112, 5130, 5280, 5396, 5472, 5643, 5680, 5760, 5940, 6080, 6248, 6270, 6336, 6390, 6688, 6745, 6816, 6840, 7029, 7040, 7296, 7524, 7668, 7810, 7920, 8094, 8208, 8360, 8520, 8640, 9088, 9120, 9372, 9405, 9504, 9585, 10032, 10224, 10260, 10560, 10792, 10944, 11286, 11360, 11715, 11880, 12141, 12160, 12496, 12540, 12672, 12780, 13376, 13490, 13632, 13680, 14058, 14839, 15048, 15336, 15620, 15840, 16188, 16416, 16720, 17040, 17280, 18240, 18744, 18810, 19008, 19170, 20064, 20235, 20448, 20520, 21087, 21120, 21584, 21888, 22572, 22720, 23430, 23760, 24282, 24992, 25080, 25560, 26752, 26980, 27264, 27360, 28116, 28215, 29678, 30096, 30672, 31240, 31680, 32376, 32832, 33440, 34080, 35145, 36423, 36480, 37488, 37620, 38016, 38340, 40128, 40470, 40896, 41040, 42174, 43168, 44517, 45144, 45440, 46860, 47520, 48564, 49984, 50160, 51120, 53960, 54720, 56232, 56430, 59356, 60192, 60705, 61344, 62480, 63360, 64752, 65664, 66880, 68160, 70290, 72846, 74195, 74976, 75240, 76680, 80256, 80940, 81792, 82080, 84348, 86336, 89034, 90288, 93720, 95040, 97128, 99968, 100320, 102240, 105435, 107920, 109440, 112464, 112860, 118712, 120384, 121410, 122688, 124960, 129504, 133551, 133760, 136320, 140580, 145692, 148390, 149952, 150480, 153360, 161880, 164160, 168696, 172672, 178068, 180576, 182115, 187440, 190080, 194256, 200640, 204480, 210870, 215840, 222585, 224928, 225720, 237424, 240768, 242820, 245376, 249920, 259008, 267102, 281160, 291384, 296780, 299904, 300960, 306720, 323760, 328320, 337392, 356136, 361152, 364230, 374880, 388512, 400653, 401280, 408960, 421740, 431680, 445170, 449856, 451440, 474848, 485640, 499840, 518016, 534204, 562320, 582768, 593560, 601920, 613440, 647520, 667755, 674784, 712272, 722304, 728460, 749760, 777024, 801306, 843480, 863360, 890340, 899712, 902880, 949696, 971280, 1068408, 1124640, 1165536, 1187120, 1203840, 1226880, 1295040, 1335510, 1349568, 1424544, 1456920, 1499520, 1554048, 1602612, 1686960, 1780680, 1805760, 1899392, 1942560, 2003265, 2136816, 2249280, 2331072, 2374240, 2590080, 2671020, 2699136, 2849088, 2913840, 3205224, 3373920, 3561360, 3611520, 3885120, 4006530, 4273632, 4498560, 4662144, 4748480, 5342040, 5698176, 5827680, 6410448, 6747840, 7122720, 7770240, 8013060, 8547264, 9496960, 10684080, 11655360, 12820896, 13495680, 14245440, 16026120, 17094528, 21368160, 23310720, 25641792, 28490880, 32052240, 42736320, 51283584, 64104480, 85472640, 128208960, 256417920]

約数ペア:

[(1, 256417920), (2, 128208960), (3, 85472640), (4, 64104480), (5, 51283584), (6, 42736320), (8, 32052240), (9, 28490880), (10, 25641792), (11, 23310720), (12, 21368160), (15, 17094528), (16, 16026120), (18, 14245440), (19, 13495680), (20, 12820896), (22, 11655360), (24, 10684080), (27, 9496960), (30, 8547264), (32, 8013060), (33, 7770240), (36, 7122720), (38, 6747840), (40, 6410448), (44, 5827680), (45, 5698176), (48, 5342040), (54, 4748480), (55, 4662144), (57, 4498560), (60, 4273632), (64, 4006530), (66, 3885120), (71, 3611520), (72, 3561360), (76, 3373920), (80, 3205224), (88, 2913840), (90, 2849088), (95, 2699136), (96, 2671020), (99, 2590080), (108, 2374240), (110, 2331072), (114, 2249280), (120, 2136816), (128, 2003265), (132, 1942560), (135, 1899392), (142, 1805760), (144, 1780680), (152, 1686960), (160, 1602612), (165, 1554048), (171, 1499520), (176, 1456920), (180, 1424544), (190, 1349568), (192, 1335510), (198, 1295040), (209, 1226880), (213, 1203840), (216, 1187120), (220, 1165536), (228, 1124640), (240, 1068408), (264, 971280), (270, 949696), (284, 902880), (285, 899712), (288, 890340), (297, 863360), (304, 843480), (320, 801306), (330, 777024), (342, 749760), (352, 728460), (355, 722304), (360, 712272), (380, 674784), (384, 667755), (396, 647520), (418, 613440), (426, 601920), (432, 593560), (440, 582768), (456, 562320), (480, 534204), (495, 518016), (513, 499840), (528, 485640), (540, 474848), (568, 451440), (570, 449856), (576, 445170), (594, 431680), (608, 421740), (627, 408960), (639, 401280), (640, 400653), (660, 388512), (684, 374880), (704, 364230), (710, 361152), (720, 356136), (760, 337392), (781, 328320), (792, 323760), (836, 306720), (852, 300960), (855, 299904), (864, 296780), (880, 291384), (912, 281160), (960, 267102), (990, 259008), (1026, 249920), (1045, 245376), (1056, 242820), (1065, 240768), (1080, 237424), (1136, 225720), (1140, 224928), (1152, 222585), (1188, 215840), (1216, 210870), (1254, 204480), (1278, 200640), (1320, 194256), (1349, 190080), (1368, 187440), (1408, 182115), (1420, 180576), (1440, 178068), (1485, 172672), (1520, 168696), (1562, 164160), (1584, 161880), (1672, 153360), (1704, 150480), (1710, 149952), (1728, 148390), (1760, 145692), (1824, 140580), (1881, 136320), (1917, 133760), (1920, 133551), (1980, 129504), (2052, 124960), (2090, 122688), (2112, 121410), (2130, 120384), (2160, 118712), (2272, 112860), (2280, 112464), (2343, 109440), (2376, 107920), (2432, 105435), (2508, 102240), (2556, 100320), (2565, 99968), (2640, 97128), (2698, 95040), (2736, 93720), (2840, 90288), (2880, 89034), (2970, 86336), (3040, 84348), (3124, 82080), (3135, 81792), (3168, 80940), (3195, 80256), (3344, 76680), (3408, 75240), (3420, 74976), (3456, 74195), (3520, 72846), (3648, 70290), (3762, 68160), (3834, 66880), (3905, 65664), (3960, 64752), (4047, 63360), (4104, 62480), (4180, 61344), (4224, 60705), (4260, 60192), (4320, 59356), (4544, 56430), (4560, 56232), (4686, 54720), (4752, 53960), (5016, 51120), (5112, 50160), (5130, 49984), (5280, 48564), (5396, 47520), (5472, 46860), (5643, 45440), (5680, 45144), (5760, 44517), (5940, 43168), (6080, 42174), (6248, 41040), (6270, 40896), (6336, 40470), (6390, 40128), (6688, 38340), (6745, 38016), (6816, 37620), (6840, 37488), (7029, 36480), (7040, 36423), (7296, 35145), (7524, 34080), (7668, 33440), (7810, 32832), (7920, 32376), (8094, 31680), (8208, 31240), (8360, 30672), (8520, 30096), (8640, 29678), (9088, 28215), (9120, 28116), (9372, 27360), (9405, 27264), (9504, 26980), (9585, 26752), (10032, 25560), (10224, 25080), (10260, 24992), (10560, 24282), (10792, 23760), (10944, 23430), (11286, 22720), (11360, 22572), (11715, 21888), (11880, 21584), (12141, 21120), (12160, 21087), (12496, 20520), (12540, 20448), (12672, 20235), (12780, 20064), (13376, 19170), (13490, 19008), (13632, 18810), (13680, 18744), (14058, 18240), (14839, 17280), (15048, 17040), (15336, 16720), (15620, 16416), (15840, 16188)]