6891640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 17948160

約数和(自身を除く): 11056520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 163, 280, 302, 326, 604, 652, 755, 815, 1057, 1141, 1208, 1304, 1510, 1630, 2114, 2282, 3020, 3260, 4228, 4564, 5285, 5705, 6040, 6520, 8456, 9128, 10570, 11410, 21140, 22820, 24613, 42280, 45640, 49226, 98452, 123065, 172291, 196904, 246130, 344582, 492260, 689164, 861455, 984520, 1378328, 1722910, 3445820, 6891640]

約数ペア:

[(1, 6891640), (2, 3445820), (4, 1722910), (5, 1378328), (7, 984520), (8, 861455), (10, 689164), (14, 492260), (20, 344582), (28, 246130), (35, 196904), (40, 172291), (56, 123065), (70, 98452), (140, 49226), (151, 45640), (163, 42280), (280, 24613), (302, 22820), (326, 21140), (604, 11410), (652, 10570), (755, 9128), (815, 8456), (1057, 6520), (1141, 6040), (1208, 5705), (1304, 5285), (1510, 4564), (1630, 4228), (2114, 3260), (2282, 3020)]