1358800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 60

約数和(自身を含む): 3382720

約数和(自身を除く): 2023920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 79, 80, 86, 100, 158, 172, 200, 215, 316, 344, 395, 400, 430, 632, 688, 790, 860, 1075, 1264, 1580, 1720, 1975, 2150, 3160, 3397, 3440, 3950, 4300, 6320, 6794, 7900, 8600, 13588, 15800, 16985, 17200, 27176, 31600, 33970, 54352, 67940, 84925, 135880, 169850, 271760, 339700, 679400, 1358800]

約数ペア:

[(1, 1358800), (2, 679400), (4, 339700), (5, 271760), (8, 169850), (10, 135880), (16, 84925), (20, 67940), (25, 54352), (40, 33970), (43, 31600), (50, 27176), (79, 17200), (80, 16985), (86, 15800), (100, 13588), (158, 8600), (172, 7900), (200, 6794), (215, 6320), (316, 4300), (344, 3950), (395, 3440), (400, 3397), (430, 3160), (632, 2150), (688, 1975), (790, 1720), (860, 1580), (1075, 1264)]