61533140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 135657984

約数和(自身を除く): 74124844

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1627, 1891, 3254, 3782, 6508, 7564, 8135, 9455, 16270, 18910, 32540, 37820, 50437, 99247, 100874, 198494, 201748, 252185, 396988, 496235, 504370, 992470, 1008740, 1984940, 3076657, 6153314, 12306628, 15383285, 30766570, 61533140]

約数ペア:

[(1, 61533140), (2, 30766570), (4, 15383285), (5, 12306628), (10, 6153314), (20, 3076657), (31, 1984940), (61, 1008740), (62, 992470), (122, 504370), (124, 496235), (155, 396988), (244, 252185), (305, 201748), (310, 198494), (610, 100874), (620, 99247), (1220, 50437), (1627, 37820), (1891, 32540), (3254, 18910), (3782, 16270), (6508, 9455), (7564, 8135)]