128878860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195271}}^1$

素因数の和:195294

約数の個数: 48

約数和(自身を含む): 393668352

約数和(自身を除く): 264789492

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 195271, 390542, 585813, 781084, 976355, 1171626, 1952710, 2147981, 2343252, 2929065, 3905420, 4295962, 5858130, 6443943, 8591924, 10739905, 11716260, 12887886, 21479810, 25775772, 32219715, 42959620, 64439430, 128878860]

約数ペア:

[(1, 128878860), (2, 64439430), (3, 42959620), (4, 32219715), (5, 25775772), (6, 21479810), (10, 12887886), (11, 11716260), (12, 10739905), (15, 8591924), (20, 6443943), (22, 5858130), (30, 4295962), (33, 3905420), (44, 2929065), (55, 2343252), (60, 2147981), (66, 1952710), (110, 1171626), (132, 976355), (165, 781084), (220, 585813), (330, 390542), (660, 195271)]