2505840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 7954848

約数和(自身を除く): 5449008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 197, 212, 240, 265, 318, 394, 424, 530, 591, 636, 788, 795, 848, 985, 1060, 1182, 1272, 1576, 1590, 1970, 2120, 2364, 2544, 2955, 3152, 3180, 3940, 4240, 4728, 5910, 6360, 7880, 9456, 10441, 11820, 12720, 15760, 20882, 23640, 31323, 41764, 47280, 52205, 62646, 83528, 104410, 125292, 156615, 167056, 208820, 250584, 313230, 417640, 501168, 626460, 835280, 1252920, 2505840]

約数ペア:

[(1, 2505840), (2, 1252920), (3, 835280), (4, 626460), (5, 501168), (6, 417640), (8, 313230), (10, 250584), (12, 208820), (15, 167056), (16, 156615), (20, 125292), (24, 104410), (30, 83528), (40, 62646), (48, 52205), (53, 47280), (60, 41764), (80, 31323), (106, 23640), (120, 20882), (159, 15760), (197, 12720), (212, 11820), (240, 10441), (265, 9456), (318, 7880), (394, 6360), (424, 5910), (530, 4728), (591, 4240), (636, 3940), (788, 3180), (795, 3152), (848, 2955), (985, 2544), (1060, 2364), (1182, 2120), (1272, 1970), (1576, 1590)]