68731120

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7603}}^1$

素因数の和:7729

約数の個数: 40

約数和(自身を含む): 161235216

約数和(自身を除く): 92504096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7603, 9040, 15206, 30412, 38015, 60824, 76030, 121648, 152060, 304120, 608240, 859139, 1718278, 3436556, 4295695, 6873112, 8591390, 13746224, 17182780, 34365560, 68731120]

約数ペア:

[(1, 68731120), (2, 34365560), (4, 17182780), (5, 13746224), (8, 8591390), (10, 6873112), (16, 4295695), (20, 3436556), (40, 1718278), (80, 859139), (113, 608240), (226, 304120), (452, 152060), (565, 121648), (904, 76030), (1130, 60824), (1808, 38015), (2260, 30412), (4520, 15206), (7603, 9040)]