78046840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 183202560

約数和(自身を除く): 105155720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 557, 565, 620, 904, 1114, 1130, 1240, 2228, 2260, 2785, 3503, 4456, 4520, 5570, 7006, 11140, 14012, 17267, 17515, 22280, 28024, 34534, 35030, 62941, 69068, 70060, 86335, 125882, 138136, 140120, 172670, 251764, 314705, 345340, 503528, 629410, 690680, 1258820, 1951171, 2517640, 3902342, 7804684, 9755855, 15609368, 19511710, 39023420, 78046840]

約数ペア:

[(1, 78046840), (2, 39023420), (4, 19511710), (5, 15609368), (8, 9755855), (10, 7804684), (20, 3902342), (31, 2517640), (40, 1951171), (62, 1258820), (113, 690680), (124, 629410), (155, 503528), (226, 345340), (248, 314705), (310, 251764), (452, 172670), (557, 140120), (565, 138136), (620, 125882), (904, 86335), (1114, 70060), (1130, 69068), (1240, 62941), (2228, 35030), (2260, 34534), (2785, 28024), (3503, 22280), (4456, 17515), (4520, 17267), (5570, 14012), (7006, 11140)]