66775560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12941}}^1$

素因数の和:12998

約数の個数: 64

約数和(自身を含む): 205001280

約数和(自身を除く): 138225720

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, 12941, 25882, 38823, 51764, 64705, 77646, 103528, 129410, 155292, 194115, 258820, 310584, 388230, 517640, 556463, 776460, 1112926, 1552920, 1669389, 2225852, 2782315, 3338778, 4451704, 5564630, 6677556, 8346945, 11129260, 13355112, 16693890, 22258520, 33387780, 66775560]

約数ペア:

[(1, 66775560), (2, 33387780), (3, 22258520), (4, 16693890), (5, 13355112), (6, 11129260), (8, 8346945), (10, 6677556), (12, 5564630), (15, 4451704), (20, 3338778), (24, 2782315), (30, 2225852), (40, 1669389), (43, 1552920), (60, 1112926), (86, 776460), (120, 556463), (129, 517640), (172, 388230), (215, 310584), (258, 258820), (344, 194115), (430, 155292), (516, 129410), (645, 103528), (860, 77646), (1032, 64705), (1290, 51764), (1720, 38823), (2580, 25882), (5160, 12941)]