57785220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 176117760

約数和(自身を除く): 118332540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1279, 1506, 2259, 2510, 2558, 3012, 3765, 3837, 4518, 5020, 5116, 6395, 7530, 7674, 9036, 11295, 11511, 12790, 15060, 15348, 19185, 22590, 23022, 25580, 38370, 45180, 46044, 57555, 76740, 115110, 230220, 321029, 642058, 963087, 1284116, 1605145, 1926174, 2889261, 3210290, 3852348, 4815435, 5778522, 6420580, 9630870, 11557044, 14446305, 19261740, 28892610, 57785220]

約数ペア:

[(1, 57785220), (2, 28892610), (3, 19261740), (4, 14446305), (5, 11557044), (6, 9630870), (9, 6420580), (10, 5778522), (12, 4815435), (15, 3852348), (18, 3210290), (20, 2889261), (30, 1926174), (36, 1605145), (45, 1284116), (60, 963087), (90, 642058), (180, 321029), (251, 230220), (502, 115110), (753, 76740), (1004, 57555), (1255, 46044), (1279, 45180), (1506, 38370), (2259, 25580), (2510, 23022), (2558, 22590), (3012, 19185), (3765, 15348), (3837, 15060), (4518, 12790), (5020, 11511), (5116, 11295), (6395, 9036), (7530, 7674)]