2157180

素因数分解:

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

素因数の和:398

約数の個数: 48

約数和(自身を含む): 6105120

約数和(自身を除く): 3947940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 229, 314, 458, 471, 628, 687, 785, 916, 942, 1145, 1374, 1570, 1884, 2290, 2355, 2748, 3140, 3435, 4580, 4710, 6870, 9420, 13740, 35953, 71906, 107859, 143812, 179765, 215718, 359530, 431436, 539295, 719060, 1078590, 2157180]

約数ペア:

[(1, 2157180), (2, 1078590), (3, 719060), (4, 539295), (5, 431436), (6, 359530), (10, 215718), (12, 179765), (15, 143812), (20, 107859), (30, 71906), (60, 35953), (157, 13740), (229, 9420), (314, 6870), (458, 4710), (471, 4580), (628, 3435), (687, 3140), (785, 2748), (916, 2355), (942, 2290), (1145, 1884), (1374, 1570)]