63945980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2837}}^1$

素因数の和:2883

約数の個数: 72

約数和(自身を含む): 163060128

約数和(自身を除く): 99114148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 2837, 3220, 4508, 5635, 5674, 11270, 11348, 14185, 19859, 22540, 28370, 39718, 56740, 65251, 79436, 99295, 130502, 139013, 198590, 261004, 278026, 326255, 397180, 456757, 556052, 652510, 695065, 913514, 1305020, 1390130, 1827028, 2283785, 2780260, 3197299, 4567570, 6394598, 9135140, 12789196, 15986495, 31972990, 63945980]

約数ペア:

[(1, 63945980), (2, 31972990), (4, 15986495), (5, 12789196), (7, 9135140), (10, 6394598), (14, 4567570), (20, 3197299), (23, 2780260), (28, 2283785), (35, 1827028), (46, 1390130), (49, 1305020), (70, 913514), (92, 695065), (98, 652510), (115, 556052), (140, 456757), (161, 397180), (196, 326255), (230, 278026), (245, 261004), (322, 198590), (460, 139013), (490, 130502), (644, 99295), (805, 79436), (980, 65251), (1127, 56740), (1610, 39718), (2254, 28370), (2837, 22540), (3220, 19859), (4508, 14185), (5635, 11348), (5674, 11270)]