31903170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 83099520

約数和(自身を除く): 51196350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 179, 195, 358, 390, 457, 537, 895, 914, 1074, 1371, 1790, 2285, 2327, 2685, 2742, 4570, 4654, 5370, 5941, 6855, 6981, 11635, 11882, 13710, 13962, 17823, 23270, 29705, 34905, 35646, 59410, 69810, 81803, 89115, 163606, 178230, 245409, 409015, 490818, 818030, 1063439, 1227045, 2126878, 2454090, 3190317, 5317195, 6380634, 10634390, 15951585, 31903170]

約数ペア:

[(1, 31903170), (2, 15951585), (3, 10634390), (5, 6380634), (6, 5317195), (10, 3190317), (13, 2454090), (15, 2126878), (26, 1227045), (30, 1063439), (39, 818030), (65, 490818), (78, 409015), (130, 245409), (179, 178230), (195, 163606), (358, 89115), (390, 81803), (457, 69810), (537, 59410), (895, 35646), (914, 34905), (1074, 29705), (1371, 23270), (1790, 17823), (2285, 13962), (2327, 13710), (2685, 11882), (2742, 11635), (4570, 6981), (4654, 6855), (5370, 5941)]