15857220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 44771328

約数和(自身を除く): 28914108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2081, 2540, 3810, 4162, 6243, 7620, 8324, 10405, 12486, 20810, 24972, 31215, 41620, 62430, 124860, 264287, 528574, 792861, 1057148, 1321435, 1585722, 2642870, 3171444, 3964305, 5285740, 7928610, 15857220]

約数ペア:

[(1, 15857220), (2, 7928610), (3, 5285740), (4, 3964305), (5, 3171444), (6, 2642870), (10, 1585722), (12, 1321435), (15, 1057148), (20, 792861), (30, 528574), (60, 264287), (127, 124860), (254, 62430), (381, 41620), (508, 31215), (635, 24972), (762, 20810), (1270, 12486), (1524, 10405), (1905, 8324), (2081, 7620), (2540, 6243), (3810, 4162)]