15857790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 41622336

約数和(自身を除く): 25764546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 146, 195, 219, 365, 390, 438, 557, 730, 949, 1095, 1114, 1671, 1898, 2190, 2785, 2847, 3342, 4745, 5570, 5694, 7241, 8355, 9490, 14235, 14482, 16710, 21723, 28470, 36205, 40661, 43446, 72410, 81322, 108615, 121983, 203305, 217230, 243966, 406610, 528593, 609915, 1057186, 1219830, 1585779, 2642965, 3171558, 5285930, 7928895, 15857790]

約数ペア:

[(1, 15857790), (2, 7928895), (3, 5285930), (5, 3171558), (6, 2642965), (10, 1585779), (13, 1219830), (15, 1057186), (26, 609915), (30, 528593), (39, 406610), (65, 243966), (73, 217230), (78, 203305), (130, 121983), (146, 108615), (195, 81322), (219, 72410), (365, 43446), (390, 40661), (438, 36205), (557, 28470), (730, 21723), (949, 16710), (1095, 14482), (1114, 14235), (1671, 9490), (1898, 8355), (2190, 7241), (2785, 5694), (2847, 5570), (3342, 4745)]