219499380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3041}}^1$

素因数の和:3457

約数の個数: 72

約数和(自身を含む): 667694664

約数和(自身を除く): 448195284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 1203, 1604, 2005, 2406, 3041, 3609, 4010, 4812, 6015, 6082, 7218, 8020, 9123, 12030, 12164, 14436, 15205, 18045, 18246, 24060, 27369, 30410, 36090, 36492, 45615, 54738, 60820, 72180, 91230, 109476, 136845, 182460, 273690, 547380, 1219441, 2438882, 3658323, 4877764, 6097205, 7316646, 10974969, 12194410, 14633292, 18291615, 21949938, 24388820, 36583230, 43899876, 54874845, 73166460, 109749690, 219499380]

約数ペア:

[(1, 219499380), (2, 109749690), (3, 73166460), (4, 54874845), (5, 43899876), (6, 36583230), (9, 24388820), (10, 21949938), (12, 18291615), (15, 14633292), (18, 12194410), (20, 10974969), (30, 7316646), (36, 6097205), (45, 4877764), (60, 3658323), (90, 2438882), (180, 1219441), (401, 547380), (802, 273690), (1203, 182460), (1604, 136845), (2005, 109476), (2406, 91230), (3041, 72180), (3609, 60820), (4010, 54738), (4812, 45615), (6015, 36492), (6082, 36090), (7218, 30410), (8020, 27369), (9123, 24060), (12030, 18246), (12164, 18045), (14436, 15205)]