25036680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 55603320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 79, 95, 114, 120, 139, 152, 158, 190, 228, 237, 278, 285, 316, 380, 395, 417, 456, 474, 556, 570, 632, 695, 760, 790, 834, 948, 1112, 1140, 1185, 1390, 1501, 1580, 1668, 1896, 2085, 2280, 2370, 2641, 2780, 3002, 3160, 3336, 4170, 4503, 4740, 5282, 5560, 6004, 7505, 7923, 8340, 9006, 9480, 10564, 10981, 12008, 13205, 15010, 15846, 16680, 18012, 21128, 21962, 22515, 26410, 30020, 31692, 32943, 36024, 39615, 43924, 45030, 52820, 54905, 60040, 63384, 65886, 79230, 87848, 90060, 105640, 109810, 131772, 158460, 164715, 180120, 208639, 219620, 263544, 316920, 329430, 417278, 439240, 625917, 658860, 834556, 1043195, 1251834, 1317720, 1669112, 2086390, 2503668, 3129585, 4172780, 5007336, 6259170, 8345560, 12518340, 25036680]

約数ペア:

[(1, 25036680), (2, 12518340), (3, 8345560), (4, 6259170), (5, 5007336), (6, 4172780), (8, 3129585), (10, 2503668), (12, 2086390), (15, 1669112), (19, 1317720), (20, 1251834), (24, 1043195), (30, 834556), (38, 658860), (40, 625917), (57, 439240), (60, 417278), (76, 329430), (79, 316920), (95, 263544), (114, 219620), (120, 208639), (139, 180120), (152, 164715), (158, 158460), (190, 131772), (228, 109810), (237, 105640), (278, 90060), (285, 87848), (316, 79230), (380, 65886), (395, 63384), (417, 60040), (456, 54905), (474, 52820), (556, 45030), (570, 43924), (632, 39615), (695, 36024), (760, 32943), (790, 31692), (834, 30020), (948, 26410), (1112, 22515), (1140, 21962), (1185, 21128), (1390, 18012), (1501, 16680), (1580, 15846), (1668, 15010), (1896, 13205), (2085, 12008), (2280, 10981), (2370, 10564), (2641, 9480), (2780, 9006), (3002, 8340), (3160, 7923), (3336, 7505), (4170, 6004), (4503, 5560), (4740, 5282)]