68495475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 121063680

約数和(自身を除く): 52568205

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 213, 285, 355, 475, 677, 1065, 1349, 1425, 1775, 2031, 3385, 4047, 5325, 6745, 10155, 12863, 16925, 20235, 33725, 38589, 48067, 50775, 64315, 101175, 144201, 192945, 240335, 321575, 721005, 913273, 964725, 1201675, 2739819, 3605025, 4566365, 13699095, 22831825, 68495475]

約数ペア:

[(1, 68495475), (3, 22831825), (5, 13699095), (15, 4566365), (19, 3605025), (25, 2739819), (57, 1201675), (71, 964725), (75, 913273), (95, 721005), (213, 321575), (285, 240335), (355, 192945), (475, 144201), (677, 101175), (1065, 64315), (1349, 50775), (1425, 48067), (1775, 38589), (2031, 33725), (3385, 20235), (4047, 16925), (5325, 12863), (6745, 10155)]