86811720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1583}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 261169920

約数和(自身を除く): 174358200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 914, 1371, 1583, 1828, 2285, 2742, 3166, 3656, 4570, 4749, 5484, 6332, 6855, 7915, 9140, 9498, 10968, 12664, 13710, 15830, 18280, 18996, 23745, 27420, 31660, 37992, 47490, 54840, 63320, 94980, 189960, 723431, 1446862, 2170293, 2893724, 3617155, 4340586, 5787448, 7234310, 8681172, 10851465, 14468620, 17362344, 21702930, 28937240, 43405860, 86811720]

約数ペア:

[(1, 86811720), (2, 43405860), (3, 28937240), (4, 21702930), (5, 17362344), (6, 14468620), (8, 10851465), (10, 8681172), (12, 7234310), (15, 5787448), (20, 4340586), (24, 3617155), (30, 2893724), (40, 2170293), (60, 1446862), (120, 723431), (457, 189960), (914, 94980), (1371, 63320), (1583, 54840), (1828, 47490), (2285, 37992), (2742, 31660), (3166, 27420), (3656, 23745), (4570, 18996), (4749, 18280), (5484, 15830), (6332, 13710), (6855, 12664), (7915, 10968), (9140, 9498)]