40541220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2851}}^1$

素因数の和:2945

約数の個数: 72

約数和(自身を含む): 124575360

約数和(自身を除く): 84034140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 2851, 3555, 4740, 5702, 7110, 8553, 11404, 14220, 14255, 17106, 25659, 28510, 34212, 42765, 51318, 57020, 85530, 102636, 128295, 171060, 225229, 256590, 450458, 513180, 675687, 900916, 1126145, 1351374, 2027061, 2252290, 2702748, 3378435, 4054122, 4504580, 6756870, 8108244, 10135305, 13513740, 20270610, 40541220]

約数ペア:

[(1, 40541220), (2, 20270610), (3, 13513740), (4, 10135305), (5, 8108244), (6, 6756870), (9, 4504580), (10, 4054122), (12, 3378435), (15, 2702748), (18, 2252290), (20, 2027061), (30, 1351374), (36, 1126145), (45, 900916), (60, 675687), (79, 513180), (90, 450458), (158, 256590), (180, 225229), (237, 171060), (316, 128295), (395, 102636), (474, 85530), (711, 57020), (790, 51318), (948, 42765), (1185, 34212), (1422, 28510), (1580, 25659), (2370, 17106), (2844, 14255), (2851, 14220), (3555, 11404), (4740, 8553), (5702, 7110)]