8656140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 24524640

約数和(自身を除く): 15868500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1621, 1780, 2670, 3242, 4863, 5340, 6484, 8105, 9726, 16210, 19452, 24315, 32420, 48630, 97260, 144269, 288538, 432807, 577076, 721345, 865614, 1442690, 1731228, 2164035, 2885380, 4328070, 8656140]

約数ペア:

[(1, 8656140), (2, 4328070), (3, 2885380), (4, 2164035), (5, 1731228), (6, 1442690), (10, 865614), (12, 721345), (15, 577076), (20, 432807), (30, 288538), (60, 144269), (89, 97260), (178, 48630), (267, 32420), (356, 24315), (445, 19452), (534, 16210), (890, 9726), (1068, 8105), (1335, 6484), (1621, 5340), (1780, 4863), (2670, 3242)]