1658157040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1\times {\mathrm{569}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 3922740000

約数和(自身を除く): 2264582960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 499, 569, 584, 730, 998, 1138, 1168, 1460, 1996, 2276, 2495, 2845, 2920, 3992, 4552, 4990, 5690, 5840, 7984, 9104, 9980, 11380, 19960, 22760, 36427, 39920, 41537, 45520, 72854, 83074, 145708, 166148, 182135, 207685, 283931, 291416, 332296, 364270, 415370, 567862, 582832, 664592, 728540, 830740, 1135724, 1419655, 1457080, 1661480, 2271448, 2839310, 2914160, 3322960, 4542896, 5678620, 11357240, 20726963, 22714480, 41453926, 82907852, 103634815, 165815704, 207269630, 331631408, 414539260, 829078520, 1658157040]

約数ペア:

[(1, 1658157040), (2, 829078520), (4, 414539260), (5, 331631408), (8, 207269630), (10, 165815704), (16, 103634815), (20, 82907852), (40, 41453926), (73, 22714480), (80, 20726963), (146, 11357240), (292, 5678620), (365, 4542896), (499, 3322960), (569, 2914160), (584, 2839310), (730, 2271448), (998, 1661480), (1138, 1457080), (1168, 1419655), (1460, 1135724), (1996, 830740), (2276, 728540), (2495, 664592), (2845, 582832), (2920, 567862), (3992, 415370), (4552, 364270), (4990, 332296), (5690, 291416), (5840, 283931), (7984, 207685), (9104, 182135), (9980, 166148), (11380, 145708), (19960, 83074), (22760, 72854), (36427, 45520), (39920, 41537)]