75659090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 76750510

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 79, 106, 130, 139, 158, 265, 278, 395, 530, 689, 695, 790, 1027, 1378, 1390, 1807, 2054, 3445, 3614, 4187, 5135, 6890, 7367, 8374, 9035, 10270, 10981, 14734, 18070, 20935, 21962, 36835, 41870, 54431, 54905, 73670, 95771, 108862, 109810, 142753, 191542, 272155, 285506, 478855, 544310, 581993, 713765, 957710, 1163986, 1427530, 2909965, 5819930, 7565909, 15131818, 37829545, 75659090]

約数ペア:

[(1, 75659090), (2, 37829545), (5, 15131818), (10, 7565909), (13, 5819930), (26, 2909965), (53, 1427530), (65, 1163986), (79, 957710), (106, 713765), (130, 581993), (139, 544310), (158, 478855), (265, 285506), (278, 272155), (395, 191542), (530, 142753), (689, 109810), (695, 108862), (790, 95771), (1027, 73670), (1378, 54905), (1390, 54431), (1807, 41870), (2054, 36835), (3445, 21962), (3614, 20935), (4187, 18070), (5135, 14734), (6890, 10981), (7367, 10270), (8374, 9035)]