123315240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7393}}^1$

素因数の和:7546

約数の個数: 64

約数和(自身を含む): 372657600

約数和(自身を除く): 249342360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 7393, 8340, 14786, 16680, 22179, 29572, 36965, 44358, 59144, 73930, 88716, 110895, 147860, 177432, 221790, 295720, 443580, 887160, 1027627, 2055254, 3082881, 4110508, 5138135, 6165762, 8221016, 10276270, 12331524, 15414405, 20552540, 24663048, 30828810, 41105080, 61657620, 123315240]

約数ペア:

[(1, 123315240), (2, 61657620), (3, 41105080), (4, 30828810), (5, 24663048), (6, 20552540), (8, 15414405), (10, 12331524), (12, 10276270), (15, 8221016), (20, 6165762), (24, 5138135), (30, 4110508), (40, 3082881), (60, 2055254), (120, 1027627), (139, 887160), (278, 443580), (417, 295720), (556, 221790), (695, 177432), (834, 147860), (1112, 110895), (1390, 88716), (1668, 73930), (2085, 59144), (2780, 44358), (3336, 36965), (4170, 29572), (5560, 22179), (7393, 16680), (8340, 14786)]