156965542825

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{19993}}^1$

素因数の和:20076

約数の個数: 144

約数和(自身を含む): 267090248880

約数和(自身を除く): 110124706055

約数列:

[1, 5, 7, 13, 17, 25, 29, 35, 49, 65, 85, 91, 119, 145, 175, 203, 221, 245, 325, 377, 425, 455, 493, 595, 637, 725, 833, 1015, 1105, 1225, 1421, 1547, 1885, 2275, 2465, 2639, 2975, 3185, 3451, 4165, 5075, 5525, 6409, 7105, 7735, 9425, 10829, 12325, 13195, 15925, 17255, 18473, 19993, 20825, 24157, 32045, 35525, 38675, 44863, 54145, 65975, 86275, 92365, 99965, 120785, 139951, 160225, 224315, 259909, 270725, 314041, 339881, 461825, 499825, 579797, 603925, 699755, 979657, 1121575, 1299545, 1570205, 1699405, 1819363, 2379167, 2898985, 3498775, 4058579, 4418453, 4898285, 6497725, 7537361, 7851025, 8497025, 9096815, 9856549, 11895835, 12735541, 14494925, 16654169, 20292895, 22092265, 24491425, 28410053, 30929171, 37686805, 45484075, 49282745, 52761527, 59479175, 63677705, 68995843, 83270845, 101464475, 110461325, 128135137, 142050265, 154645855, 188434025, 216504197, 246413725, 263807635, 318388525, 344979215, 369330689, 416354225, 482970901, 640675685, 710251325, 773229275, 896945959, 1082520985, 1319038175, 1724896075, 1846653445, 2414854505, 3203378425, 4484729795, 5412604925, 6278621713, 9233267225, 12074272525, 22423648975, 31393108565, 156965542825]

約数ペア:

[(1, 156965542825), (5, 31393108565), (7, 22423648975), (13, 12074272525), (17, 9233267225), (25, 6278621713), (29, 5412604925), (35, 4484729795), (49, 3203378425), (65, 2414854505), (85, 1846653445), (91, 1724896075), (119, 1319038175), (145, 1082520985), (175, 896945959), (203, 773229275), (221, 710251325), (245, 640675685), (325, 482970901), (377, 416354225), (425, 369330689), (455, 344979215), (493, 318388525), (595, 263807635), (637, 246413725), (725, 216504197), (833, 188434025), (1015, 154645855), (1105, 142050265), (1225, 128135137), (1421, 110461325), (1547, 101464475), (1885, 83270845), (2275, 68995843), (2465, 63677705), (2639, 59479175), (2975, 52761527), (3185, 49282745), (3451, 45484075), (4165, 37686805), (5075, 30929171), (5525, 28410053), (6409, 24491425), (7105, 22092265), (7735, 20292895), (9425, 16654169), (10829, 14494925), (12325, 12735541), (13195, 11895835), (15925, 9856549), (17255, 9096815), (18473, 8497025), (19993, 7851025), (20825, 7537361), (24157, 6497725), (32045, 4898285), (35525, 4418453), (38675, 4058579), (44863, 3498775), (54145, 2898985), (65975, 2379167), (86275, 1819363), (92365, 1699405), (99965, 1570205), (120785, 1299545), (139951, 1121575), (160225, 979657), (224315, 699755), (259909, 603925), (270725, 579797), (314041, 499825), (339881, 461825)]