618280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 64

約数和(自身を含む): 1587600

約数和(自身を除く): 969320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 41, 52, 58, 65, 82, 104, 116, 130, 145, 164, 205, 232, 260, 290, 328, 377, 410, 520, 533, 580, 754, 820, 1066, 1160, 1189, 1508, 1640, 1885, 2132, 2378, 2665, 3016, 3770, 4264, 4756, 5330, 5945, 7540, 9512, 10660, 11890, 15080, 15457, 21320, 23780, 30914, 47560, 61828, 77285, 123656, 154570, 309140, 618280]

約数ペア:

[(1, 618280), (2, 309140), (4, 154570), (5, 123656), (8, 77285), (10, 61828), (13, 47560), (20, 30914), (26, 23780), (29, 21320), (40, 15457), (41, 15080), (52, 11890), (58, 10660), (65, 9512), (82, 7540), (104, 5945), (116, 5330), (130, 4756), (145, 4264), (164, 3770), (205, 3016), (232, 2665), (260, 2378), (290, 2132), (328, 1885), (377, 1640), (410, 1508), (520, 1189), (533, 1160), (580, 1066), (754, 820)]