61539880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 145664640

約数和(自身を除く): 84124760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 967, 1480, 1591, 1720, 1934, 3182, 3868, 4835, 6364, 7736, 7955, 9670, 12728, 15910, 19340, 31820, 35779, 38680, 41581, 63640, 71558, 83162, 143116, 166324, 178895, 207905, 286232, 332648, 357790, 415810, 715580, 831620, 1431160, 1538497, 1663240, 3076994, 6153988, 7692485, 12307976, 15384970, 30769940, 61539880]

約数ペア:

[(1, 61539880), (2, 30769940), (4, 15384970), (5, 12307976), (8, 7692485), (10, 6153988), (20, 3076994), (37, 1663240), (40, 1538497), (43, 1431160), (74, 831620), (86, 715580), (148, 415810), (172, 357790), (185, 332648), (215, 286232), (296, 207905), (344, 178895), (370, 166324), (430, 143116), (740, 83162), (860, 71558), (967, 63640), (1480, 41581), (1591, 38680), (1720, 35779), (1934, 31820), (3182, 19340), (3868, 15910), (4835, 12728), (6364, 9670), (7736, 7955)]