68559790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 143519040

約数和(自身を除く): 74959250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 410, 494, 533, 677, 779, 1066, 1235, 1354, 1558, 2470, 2665, 3385, 3895, 5330, 6770, 7790, 8801, 10127, 12863, 17602, 20254, 25726, 27757, 44005, 50635, 55514, 64315, 88010, 101270, 128630, 138785, 167219, 277570, 334438, 360841, 527383, 721682, 836095, 1054766, 1672190, 1804205, 2636915, 3608410, 5273830, 6855979, 13711958, 34279895, 68559790]

約数ペア:

[(1, 68559790), (2, 34279895), (5, 13711958), (10, 6855979), (13, 5273830), (19, 3608410), (26, 2636915), (38, 1804205), (41, 1672190), (65, 1054766), (82, 836095), (95, 721682), (130, 527383), (190, 360841), (205, 334438), (247, 277570), (410, 167219), (494, 138785), (533, 128630), (677, 101270), (779, 88010), (1066, 64315), (1235, 55514), (1354, 50635), (1558, 44005), (2470, 27757), (2665, 25726), (3385, 20254), (3895, 17602), (5330, 12863), (6770, 10127), (7790, 8801)]