8442780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 23783424

約数和(自身を除く): 15340644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 631, 669, 892, 1115, 1262, 1338, 1893, 2230, 2524, 2676, 3155, 3345, 3786, 4460, 6310, 6690, 7572, 9465, 12620, 13380, 18930, 37860, 140713, 281426, 422139, 562852, 703565, 844278, 1407130, 1688556, 2110695, 2814260, 4221390, 8442780]

約数ペア:

[(1, 8442780), (2, 4221390), (3, 2814260), (4, 2110695), (5, 1688556), (6, 1407130), (10, 844278), (12, 703565), (15, 562852), (20, 422139), (30, 281426), (60, 140713), (223, 37860), (446, 18930), (631, 13380), (669, 12620), (892, 9465), (1115, 7572), (1262, 6690), (1338, 6310), (1893, 4460), (2230, 3786), (2524, 3345), (2676, 3155)]