78426840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15199}}^1$

素因数の和:15256

約数の個数: 64

約数和(自身を含む): 240768000

約数和(自身を除く): 162341160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15199, 30398, 45597, 60796, 75995, 91194, 121592, 151990, 182388, 227985, 303980, 364776, 455970, 607960, 653557, 911940, 1307114, 1823880, 1960671, 2614228, 3267785, 3921342, 5228456, 6535570, 7842684, 9803355, 13071140, 15685368, 19606710, 26142280, 39213420, 78426840]

約数ペア:

[(1, 78426840), (2, 39213420), (3, 26142280), (4, 19606710), (5, 15685368), (6, 13071140), (8, 9803355), (10, 7842684), (12, 6535570), (15, 5228456), (20, 3921342), (24, 3267785), (30, 2614228), (40, 1960671), (43, 1823880), (60, 1307114), (86, 911940), (120, 653557), (129, 607960), (172, 455970), (215, 364776), (258, 303980), (344, 227985), (430, 182388), (516, 151990), (645, 121592), (860, 91194), (1032, 75995), (1290, 60796), (1720, 45597), (2580, 30398), (5160, 15199)]