621780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 1788864

約数和(自身を除く): 1167084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 241, 258, 430, 482, 516, 645, 723, 860, 964, 1205, 1290, 1446, 2410, 2580, 2892, 3615, 4820, 7230, 10363, 14460, 20726, 31089, 41452, 51815, 62178, 103630, 124356, 155445, 207260, 310890, 621780]

約数ペア:

[(1, 621780), (2, 310890), (3, 207260), (4, 155445), (5, 124356), (6, 103630), (10, 62178), (12, 51815), (15, 41452), (20, 31089), (30, 20726), (43, 14460), (60, 10363), (86, 7230), (129, 4820), (172, 3615), (215, 2892), (241, 2580), (258, 2410), (430, 1446), (482, 1290), (516, 1205), (645, 964), (723, 860)]