63728720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 163114560

約数和(自身を除く): 99385840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 521, 556, 695, 880, 1042, 1112, 1390, 1529, 2084, 2224, 2605, 2780, 3058, 4168, 5210, 5560, 5731, 6116, 7645, 8336, 10420, 11120, 11462, 12232, 15290, 20840, 22924, 24464, 28655, 30580, 41680, 45848, 57310, 61160, 72419, 91696, 114620, 122320, 144838, 229240, 289676, 362095, 458480, 579352, 724190, 796609, 1158704, 1448380, 1593218, 2896760, 3186436, 3983045, 5793520, 6372872, 7966090, 12745744, 15932180, 31864360, 63728720]

約数ペア:

[(1, 63728720), (2, 31864360), (4, 15932180), (5, 12745744), (8, 7966090), (10, 6372872), (11, 5793520), (16, 3983045), (20, 3186436), (22, 2896760), (40, 1593218), (44, 1448380), (55, 1158704), (80, 796609), (88, 724190), (110, 579352), (139, 458480), (176, 362095), (220, 289676), (278, 229240), (440, 144838), (521, 122320), (556, 114620), (695, 91696), (880, 72419), (1042, 61160), (1112, 57310), (1390, 45848), (1529, 41680), (2084, 30580), (2224, 28655), (2605, 24464), (2780, 22924), (3058, 20840), (4168, 15290), (5210, 12232), (5560, 11462), (5731, 11120), (6116, 10420), (7645, 8336)]