42730020

素因数分解:

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

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 130234104

約数和(自身を除く): 87504084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 857, 1108, 1385, 1662, 1714, 2493, 2571, 2770, 3324, 3428, 4155, 4285, 4986, 5142, 5540, 7713, 8310, 8570, 9972, 10284, 12465, 12855, 15426, 16620, 17140, 24930, 25710, 30852, 38565, 49860, 51420, 77130, 154260, 237389, 474778, 712167, 949556, 1186945, 1424334, 2136501, 2373890, 2848668, 3560835, 4273002, 4747780, 7121670, 8546004, 10682505, 14243340, 21365010, 42730020]

約数ペア:

[(1, 42730020), (2, 21365010), (3, 14243340), (4, 10682505), (5, 8546004), (6, 7121670), (9, 4747780), (10, 4273002), (12, 3560835), (15, 2848668), (18, 2373890), (20, 2136501), (30, 1424334), (36, 1186945), (45, 949556), (60, 712167), (90, 474778), (180, 237389), (277, 154260), (554, 77130), (831, 51420), (857, 49860), (1108, 38565), (1385, 30852), (1662, 25710), (1714, 24930), (2493, 17140), (2571, 16620), (2770, 15426), (3324, 12855), (3428, 12465), (4155, 10284), (4285, 9972), (4986, 8570), (5142, 8310), (5540, 7713)]