2123340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 6091008

約数和(自身を除く): 3967668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 823, 860, 1290, 1646, 2469, 2580, 3292, 4115, 4938, 8230, 9876, 12345, 16460, 24690, 35389, 49380, 70778, 106167, 141556, 176945, 212334, 353890, 424668, 530835, 707780, 1061670, 2123340]

約数ペア:

[(1, 2123340), (2, 1061670), (3, 707780), (4, 530835), (5, 424668), (6, 353890), (10, 212334), (12, 176945), (15, 141556), (20, 106167), (30, 70778), (43, 49380), (60, 35389), (86, 24690), (129, 16460), (172, 12345), (215, 9876), (258, 8230), (430, 4938), (516, 4115), (645, 3292), (823, 2580), (860, 2469), (1290, 1646)]