220998480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{920827}}^1$

素因数の和:920843

約数の個数: 40

約数和(自身を含む): 685096032

約数和(自身を除く): 464097552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 920827, 1841654, 2762481, 3683308, 4604135, 5524962, 7366616, 9208270, 11049924, 13812405, 14733232, 18416540, 22099848, 27624810, 36833080, 44199696, 55249620, 73666160, 110499240, 220998480]

約数ペア:

[(1, 220998480), (2, 110499240), (3, 73666160), (4, 55249620), (5, 44199696), (6, 36833080), (8, 27624810), (10, 22099848), (12, 18416540), (15, 14733232), (16, 13812405), (20, 11049924), (24, 9208270), (30, 7366616), (40, 5524962), (48, 4604135), (60, 3683308), (80, 2762481), (120, 1841654), (240, 920827)]