8628720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 27036960

約数和(自身を除く): 18408240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 229, 240, 314, 458, 471, 628, 687, 785, 916, 942, 1145, 1256, 1374, 1570, 1832, 1884, 2290, 2355, 2512, 2748, 3140, 3435, 3664, 3768, 4580, 4710, 5496, 6280, 6870, 7536, 9160, 9420, 10992, 12560, 13740, 18320, 18840, 27480, 35953, 37680, 54960, 71906, 107859, 143812, 179765, 215718, 287624, 359530, 431436, 539295, 575248, 719060, 862872, 1078590, 1438120, 1725744, 2157180, 2876240, 4314360, 8628720]

約数ペア:

[(1, 8628720), (2, 4314360), (3, 2876240), (4, 2157180), (5, 1725744), (6, 1438120), (8, 1078590), (10, 862872), (12, 719060), (15, 575248), (16, 539295), (20, 431436), (24, 359530), (30, 287624), (40, 215718), (48, 179765), (60, 143812), (80, 107859), (120, 71906), (157, 54960), (229, 37680), (240, 35953), (314, 27480), (458, 18840), (471, 18320), (628, 13740), (687, 12560), (785, 10992), (916, 9420), (942, 9160), (1145, 7536), (1256, 6870), (1374, 6280), (1570, 5496), (1832, 4710), (1884, 4580), (2290, 3768), (2355, 3664), (2512, 3435), (2748, 3140)]