249743640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15887}}^1$

素因数の和:16032

約数の個数: 64

約数和(自身を含む): 754997760

約数和(自身を除く): 505254120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 15887, 31774, 47661, 63548, 79435, 95322, 127096, 158870, 190644, 238305, 317740, 381288, 476610, 635480, 953220, 1906440, 2081197, 4162394, 6243591, 8324788, 10405985, 12487182, 16649576, 20811970, 24974364, 31217955, 41623940, 49948728, 62435910, 83247880, 124871820, 249743640]

約数ペア:

[(1, 249743640), (2, 124871820), (3, 83247880), (4, 62435910), (5, 49948728), (6, 41623940), (8, 31217955), (10, 24974364), (12, 20811970), (15, 16649576), (20, 12487182), (24, 10405985), (30, 8324788), (40, 6243591), (60, 4162394), (120, 2081197), (131, 1906440), (262, 953220), (393, 635480), (524, 476610), (655, 381288), (786, 317740), (1048, 238305), (1310, 190644), (1572, 158870), (1965, 127096), (2620, 95322), (3144, 79435), (3930, 63548), (5240, 47661), (7860, 31774), (15720, 15887)]