129097960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 297994320

約数和(自身を除く): 168896360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 157, 244, 305, 314, 337, 488, 610, 628, 674, 785, 1220, 1256, 1348, 1570, 1685, 2440, 2696, 3140, 3370, 6280, 6740, 9577, 13480, 19154, 20557, 38308, 41114, 47885, 52909, 76616, 82228, 95770, 102785, 105818, 164456, 191540, 205570, 211636, 264545, 383080, 411140, 423272, 529090, 822280, 1058180, 2116360, 3227449, 6454898, 12909796, 16137245, 25819592, 32274490, 64548980, 129097960]

約数ペア:

[(1, 129097960), (2, 64548980), (4, 32274490), (5, 25819592), (8, 16137245), (10, 12909796), (20, 6454898), (40, 3227449), (61, 2116360), (122, 1058180), (157, 822280), (244, 529090), (305, 423272), (314, 411140), (337, 383080), (488, 264545), (610, 211636), (628, 205570), (674, 191540), (785, 164456), (1220, 105818), (1256, 102785), (1348, 95770), (1570, 82228), (1685, 76616), (2440, 52909), (2696, 47885), (3140, 41114), (3370, 38308), (6280, 20557), (6740, 19154), (9577, 13480)]