31013340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1289}}^1$

素因数の和:1702

約数の個数: 48

約数和(自身を含む): 87121440

約数和(自身を除く): 56108100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 802, 1203, 1289, 1604, 2005, 2406, 2578, 3867, 4010, 4812, 5156, 6015, 6445, 7734, 8020, 12030, 12890, 15468, 19335, 24060, 25780, 38670, 77340, 516889, 1033778, 1550667, 2067556, 2584445, 3101334, 5168890, 6202668, 7753335, 10337780, 15506670, 31013340]

約数ペア:

[(1, 31013340), (2, 15506670), (3, 10337780), (4, 7753335), (5, 6202668), (6, 5168890), (10, 3101334), (12, 2584445), (15, 2067556), (20, 1550667), (30, 1033778), (60, 516889), (401, 77340), (802, 38670), (1203, 25780), (1289, 24060), (1604, 19335), (2005, 15468), (2406, 12890), (2578, 12030), (3867, 8020), (4010, 7734), (4812, 6445), (5156, 6015)]