219832020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1221289}}^1$

素因数の和:1221304

約数の個数: 36

約数和(自身を含む): 666824340

約数和(自身を除く): 446992320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1221289, 2442578, 3663867, 4885156, 6106445, 7327734, 10991601, 12212890, 14655468, 18319335, 21983202, 24425780, 36638670, 43966404, 54958005, 73277340, 109916010, 219832020]

約数ペア:

[(1, 219832020), (2, 109916010), (3, 73277340), (4, 54958005), (5, 43966404), (6, 36638670), (9, 24425780), (10, 21983202), (12, 18319335), (15, 14655468), (18, 12212890), (20, 10991601), (30, 7327734), (36, 6106445), (45, 4885156), (60, 3663867), (90, 2442578), (180, 1221289)]