128772560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1013}}^1$

素因数の和:1260

約数の個数: 80

約数和(自身を含む): 344013696

約数和(自身を除く): 215241136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1013, 1135, 1589, 1816, 2026, 2270, 3178, 3632, 4052, 4540, 5065, 6356, 7091, 7945, 8104, 9080, 10130, 12712, 14182, 15890, 16208, 18160, 20260, 25424, 28364, 31780, 35455, 40520, 56728, 63560, 70910, 81040, 113456, 127120, 141820, 229951, 283640, 459902, 567280, 919804, 1149755, 1609657, 1839608, 2299510, 3219314, 3679216, 4599020, 6438628, 8048285, 9198040, 12877256, 16096570, 18396080, 25754512, 32193140, 64386280, 128772560]

約数ペア:

[(1, 128772560), (2, 64386280), (4, 32193140), (5, 25754512), (7, 18396080), (8, 16096570), (10, 12877256), (14, 9198040), (16, 8048285), (20, 6438628), (28, 4599020), (35, 3679216), (40, 3219314), (56, 2299510), (70, 1839608), (80, 1609657), (112, 1149755), (140, 919804), (227, 567280), (280, 459902), (454, 283640), (560, 229951), (908, 141820), (1013, 127120), (1135, 113456), (1589, 81040), (1816, 70910), (2026, 63560), (2270, 56728), (3178, 40520), (3632, 35455), (4052, 31780), (4540, 28364), (5065, 25424), (6356, 20260), (7091, 18160), (7945, 16208), (8104, 15890), (9080, 14182), (10130, 12712)]