256288110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2557}}^1$

素因数の和:2837

約数の個数: 64

約数和(自身を含む): 665243712

約数和(自身を除く): 408955602

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 257, 390, 514, 771, 1285, 1542, 2557, 2570, 3341, 3855, 5114, 6682, 7671, 7710, 10023, 12785, 15342, 16705, 20046, 25570, 33241, 33410, 38355, 50115, 66482, 76710, 99723, 100230, 166205, 199446, 332410, 498615, 657149, 997230, 1314298, 1971447, 3285745, 3942894, 6571490, 8542937, 9857235, 17085874, 19714470, 25628811, 42714685, 51257622, 85429370, 128144055, 256288110]

約数ペア:

[(1, 256288110), (2, 128144055), (3, 85429370), (5, 51257622), (6, 42714685), (10, 25628811), (13, 19714470), (15, 17085874), (26, 9857235), (30, 8542937), (39, 6571490), (65, 3942894), (78, 3285745), (130, 1971447), (195, 1314298), (257, 997230), (390, 657149), (514, 498615), (771, 332410), (1285, 199446), (1542, 166205), (2557, 100230), (2570, 99723), (3341, 76710), (3855, 66482), (5114, 50115), (6682, 38355), (7671, 33410), (7710, 33241), (10023, 25570), (12785, 20046), (15342, 16705)]