1567481620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{12721}}^1$

素因数の和:12892

約数の個数: 48

約数和(自身を含む): 3379064976

約数和(自身を除く): 1811583356

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 122, 202, 244, 305, 404, 505, 610, 1010, 1220, 2020, 6161, 12322, 12721, 24644, 25442, 30805, 50884, 61610, 63605, 123220, 127210, 254420, 775981, 1284821, 1551962, 2569642, 3103924, 3879905, 5139284, 6424105, 7759810, 12848210, 15519620, 25696420, 78374081, 156748162, 313496324, 391870405, 783740810, 1567481620]

約数ペア:

[(1, 1567481620), (2, 783740810), (4, 391870405), (5, 313496324), (10, 156748162), (20, 78374081), (61, 25696420), (101, 15519620), (122, 12848210), (202, 7759810), (244, 6424105), (305, 5139284), (404, 3879905), (505, 3103924), (610, 2569642), (1010, 1551962), (1220, 1284821), (2020, 775981), (6161, 254420), (12322, 127210), (12721, 123220), (24644, 63605), (25442, 61610), (30805, 50884)]