31812840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4651}}^1$

素因数の和:4687

約数の個数: 96

約数和(自身を含む): 108856800

約数和(自身を除く): 77043960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 4651, 6840, 9302, 13953, 18604, 23255, 27906, 37208, 41859, 46510, 55812, 69765, 83718, 88369, 93020, 111624, 139530, 167436, 176738, 186040, 209295, 265107, 279060, 334872, 353476, 418590, 441845, 530214, 558120, 706952, 795321, 837180, 883690, 1060428, 1325535, 1590642, 1674360, 1767380, 2120856, 2651070, 3181284, 3534760, 3976605, 5302140, 6362568, 7953210, 10604280, 15906420, 31812840]

約数ペア:

[(1, 31812840), (2, 15906420), (3, 10604280), (4, 7953210), (5, 6362568), (6, 5302140), (8, 3976605), (9, 3534760), (10, 3181284), (12, 2651070), (15, 2120856), (18, 1767380), (19, 1674360), (20, 1590642), (24, 1325535), (30, 1060428), (36, 883690), (38, 837180), (40, 795321), (45, 706952), (57, 558120), (60, 530214), (72, 441845), (76, 418590), (90, 353476), (95, 334872), (114, 279060), (120, 265107), (152, 209295), (171, 186040), (180, 176738), (190, 167436), (228, 139530), (285, 111624), (342, 93020), (360, 88369), (380, 83718), (456, 69765), (570, 55812), (684, 46510), (760, 41859), (855, 37208), (1140, 27906), (1368, 23255), (1710, 18604), (2280, 13953), (3420, 9302), (4651, 6840)]