68551440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{285631}}^1$

素因数の和:285647

約数の個数: 40

約数和(自身を含む): 212510208

約数和(自身を除く): 143958768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 285631, 571262, 856893, 1142524, 1428155, 1713786, 2285048, 2856310, 3427572, 4284465, 4570096, 5712620, 6855144, 8568930, 11425240, 13710288, 17137860, 22850480, 34275720, 68551440]

約数ペア:

[(1, 68551440), (2, 34275720), (3, 22850480), (4, 17137860), (5, 13710288), (6, 11425240), (8, 8568930), (10, 6855144), (12, 5712620), (15, 4570096), (16, 4284465), (20, 3427572), (24, 2856310), (30, 2285048), (40, 1713786), (48, 1428155), (60, 1142524), (80, 856893), (120, 571262), (240, 285631)]