140474640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 457113600

約数和(自身を除く): 316638960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 79, 80, 93, 120, 124, 155, 158, 186, 237, 239, 240, 248, 310, 316, 372, 395, 465, 474, 478, 496, 620, 632, 717, 744, 790, 930, 948, 956, 1185, 1195, 1240, 1264, 1434, 1488, 1580, 1860, 1896, 1912, 2370, 2390, 2449, 2480, 2868, 3160, 3585, 3720, 3792, 3824, 4740, 4780, 4898, 5736, 6320, 7170, 7347, 7409, 7440, 9480, 9560, 9796, 11472, 12245, 14340, 14694, 14818, 18881, 18960, 19120, 19592, 22227, 24490, 28680, 29388, 29636, 36735, 37045, 37762, 39184, 44454, 48980, 56643, 57360, 58776, 59272, 73470, 74090, 75524, 88908, 94405, 97960, 111135, 113286, 117552, 118544, 146940, 148180, 151048, 177816, 188810, 195920, 222270, 226572, 283215, 293880, 296360, 302096, 355632, 377620, 444540, 453144, 566430, 585311, 587760, 592720, 755240, 889080, 906288, 1132860, 1170622, 1510480, 1755933, 1778160, 2265720, 2341244, 2926555, 3511866, 4531440, 4682488, 5853110, 7023732, 8779665, 9364976, 11706220, 14047464, 17559330, 23412440, 28094928, 35118660, 46824880, 70237320, 140474640]

約数ペア:

[(1, 140474640), (2, 70237320), (3, 46824880), (4, 35118660), (5, 28094928), (6, 23412440), (8, 17559330), (10, 14047464), (12, 11706220), (15, 9364976), (16, 8779665), (20, 7023732), (24, 5853110), (30, 4682488), (31, 4531440), (40, 3511866), (48, 2926555), (60, 2341244), (62, 2265720), (79, 1778160), (80, 1755933), (93, 1510480), (120, 1170622), (124, 1132860), (155, 906288), (158, 889080), (186, 755240), (237, 592720), (239, 587760), (240, 585311), (248, 566430), (310, 453144), (316, 444540), (372, 377620), (395, 355632), (465, 302096), (474, 296360), (478, 293880), (496, 283215), (620, 226572), (632, 222270), (717, 195920), (744, 188810), (790, 177816), (930, 151048), (948, 148180), (956, 146940), (1185, 118544), (1195, 117552), (1240, 113286), (1264, 111135), (1434, 97960), (1488, 94405), (1580, 88908), (1860, 75524), (1896, 74090), (1912, 73470), (2370, 59272), (2390, 58776), (2449, 57360), (2480, 56643), (2868, 48980), (3160, 44454), (3585, 39184), (3720, 37762), (3792, 37045), (3824, 36735), (4740, 29636), (4780, 29388), (4898, 28680), (5736, 24490), (6320, 22227), (7170, 19592), (7347, 19120), (7409, 18960), (7440, 18881), (9480, 14818), (9560, 14694), (9796, 14340), (11472, 12245)]