8472720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 26908992

約数和(自身を除く): 18436272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 821, 860, 1032, 1290, 1642, 1720, 2064, 2463, 2580, 3284, 3440, 4105, 4926, 5160, 6568, 8210, 9852, 10320, 12315, 13136, 16420, 19704, 24630, 32840, 35303, 39408, 49260, 65680, 70606, 98520, 105909, 141212, 176515, 197040, 211818, 282424, 353030, 423636, 529545, 564848, 706060, 847272, 1059090, 1412120, 1694544, 2118180, 2824240, 4236360, 8472720]

約数ペア:

[(1, 8472720), (2, 4236360), (3, 2824240), (4, 2118180), (5, 1694544), (6, 1412120), (8, 1059090), (10, 847272), (12, 706060), (15, 564848), (16, 529545), (20, 423636), (24, 353030), (30, 282424), (40, 211818), (43, 197040), (48, 176515), (60, 141212), (80, 105909), (86, 98520), (120, 70606), (129, 65680), (172, 49260), (215, 39408), (240, 35303), (258, 32840), (344, 24630), (430, 19704), (516, 16420), (645, 13136), (688, 12315), (821, 10320), (860, 9852), (1032, 8210), (1290, 6568), (1642, 5160), (1720, 4926), (2064, 4105), (2463, 3440), (2580, 3284)]