28486680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{857}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 85868640

約数和(自身を除く): 57381960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 831, 857, 1108, 1385, 1662, 1714, 2216, 2571, 2770, 3324, 3428, 4155, 4285, 5142, 5540, 6648, 6856, 8310, 8570, 10284, 11080, 12855, 16620, 17140, 20568, 25710, 33240, 34280, 51420, 102840, 237389, 474778, 712167, 949556, 1186945, 1424334, 1899112, 2373890, 2848668, 3560835, 4747780, 5697336, 7121670, 9495560, 14243340, 28486680]

約数ペア:

[(1, 28486680), (2, 14243340), (3, 9495560), (4, 7121670), (5, 5697336), (6, 4747780), (8, 3560835), (10, 2848668), (12, 2373890), (15, 1899112), (20, 1424334), (24, 1186945), (30, 949556), (40, 712167), (60, 474778), (120, 237389), (277, 102840), (554, 51420), (831, 34280), (857, 33240), (1108, 25710), (1385, 20568), (1662, 17140), (1714, 16620), (2216, 12855), (2571, 11080), (2770, 10284), (3324, 8570), (3428, 8310), (4155, 6856), (4285, 6648), (5142, 5540)]