64717920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 230791680

約数和(自身を除く): 166073760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 108, 120, 135, 142, 144, 160, 180, 211, 213, 216, 240, 270, 284, 288, 355, 360, 422, 426, 432, 480, 540, 568, 633, 639, 710, 720, 844, 852, 864, 1055, 1065, 1080, 1136, 1266, 1278, 1420, 1440, 1688, 1704, 1899, 1917, 2110, 2130, 2160, 2272, 2532, 2556, 2840, 3165, 3195, 3376, 3408, 3798, 3834, 4220, 4260, 4320, 5064, 5112, 5680, 5697, 6330, 6390, 6752, 6816, 7596, 7668, 8440, 8520, 9495, 9585, 10128, 10224, 11360, 11394, 12660, 12780, 14981, 15192, 15336, 16880, 17040, 18990, 19170, 20256, 20448, 22788, 25320, 25560, 28485, 29962, 30384, 30672, 33760, 34080, 37980, 38340, 44943, 45576, 50640, 51120, 56970, 59924, 60768, 61344, 74905, 75960, 76680, 89886, 91152, 101280, 102240, 113940, 119848, 134829, 149810, 151920, 153360, 179772, 182304, 224715, 227880, 239696, 269658, 299620, 303840, 306720, 359544, 404487, 449430, 455760, 479392, 539316, 599240, 674145, 719088, 808974, 898860, 911520, 1078632, 1198480, 1348290, 1438176, 1617948, 1797720, 2022435, 2157264, 2396960, 2696580, 3235896, 3595440, 4044870, 4314528, 5393160, 6471792, 7190880, 8089740, 10786320, 12943584, 16179480, 21572640, 32358960, 64717920]

約数ペア:

[(1, 64717920), (2, 32358960), (3, 21572640), (4, 16179480), (5, 12943584), (6, 10786320), (8, 8089740), (9, 7190880), (10, 6471792), (12, 5393160), (15, 4314528), (16, 4044870), (18, 3595440), (20, 3235896), (24, 2696580), (27, 2396960), (30, 2157264), (32, 2022435), (36, 1797720), (40, 1617948), (45, 1438176), (48, 1348290), (54, 1198480), (60, 1078632), (71, 911520), (72, 898860), (80, 808974), (90, 719088), (96, 674145), (108, 599240), (120, 539316), (135, 479392), (142, 455760), (144, 449430), (160, 404487), (180, 359544), (211, 306720), (213, 303840), (216, 299620), (240, 269658), (270, 239696), (284, 227880), (288, 224715), (355, 182304), (360, 179772), (422, 153360), (426, 151920), (432, 149810), (480, 134829), (540, 119848), (568, 113940), (633, 102240), (639, 101280), (710, 91152), (720, 89886), (844, 76680), (852, 75960), (864, 74905), (1055, 61344), (1065, 60768), (1080, 59924), (1136, 56970), (1266, 51120), (1278, 50640), (1420, 45576), (1440, 44943), (1688, 38340), (1704, 37980), (1899, 34080), (1917, 33760), (2110, 30672), (2130, 30384), (2160, 29962), (2272, 28485), (2532, 25560), (2556, 25320), (2840, 22788), (3165, 20448), (3195, 20256), (3376, 19170), (3408, 18990), (3798, 17040), (3834, 16880), (4220, 15336), (4260, 15192), (4320, 14981), (5064, 12780), (5112, 12660), (5680, 11394), (5697, 11360), (6330, 10224), (6390, 10128), (6752, 9585), (6816, 9495), (7596, 8520), (7668, 8440)]