16998420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{577}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 47775168

約数和(自身を除く): 30776748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 577, 982, 1154, 1473, 1731, 1964, 2308, 2455, 2885, 2946, 3462, 4910, 5770, 5892, 6924, 7365, 8655, 9820, 11540, 14730, 17310, 29460, 34620, 283307, 566614, 849921, 1133228, 1416535, 1699842, 2833070, 3399684, 4249605, 5666140, 8499210, 16998420]

約数ペア:

[(1, 16998420), (2, 8499210), (3, 5666140), (4, 4249605), (5, 3399684), (6, 2833070), (10, 1699842), (12, 1416535), (15, 1133228), (20, 849921), (30, 566614), (60, 283307), (491, 34620), (577, 29460), (982, 17310), (1154, 14730), (1473, 11540), (1731, 9820), (1964, 8655), (2308, 7365), (2455, 6924), (2885, 5892), (2946, 5770), (3462, 4910)]