215321220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2203}}^1$

素因数の和:2402

約数の個数: 96

約数和(自身を含む): 673895040

約数和(自身を除く): 458573820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 270, 362, 540, 543, 724, 905, 1086, 1629, 1810, 2172, 2203, 2715, 3258, 3620, 4406, 4887, 5430, 6516, 6609, 8145, 8812, 9774, 10860, 11015, 13218, 16290, 19548, 19827, 22030, 24435, 26436, 32580, 33045, 39654, 44060, 48870, 59481, 66090, 79308, 97740, 99135, 118962, 132180, 198270, 237924, 297405, 396540, 398743, 594810, 797486, 1189620, 1196229, 1594972, 1993715, 2392458, 3588687, 3987430, 4784916, 5981145, 7177374, 7974860, 10766061, 11962290, 14354748, 17943435, 21532122, 23924580, 35886870, 43064244, 53830305, 71773740, 107660610, 215321220]

約数ペア:

[(1, 215321220), (2, 107660610), (3, 71773740), (4, 53830305), (5, 43064244), (6, 35886870), (9, 23924580), (10, 21532122), (12, 17943435), (15, 14354748), (18, 11962290), (20, 10766061), (27, 7974860), (30, 7177374), (36, 5981145), (45, 4784916), (54, 3987430), (60, 3588687), (90, 2392458), (108, 1993715), (135, 1594972), (180, 1196229), (181, 1189620), (270, 797486), (362, 594810), (540, 398743), (543, 396540), (724, 297405), (905, 237924), (1086, 198270), (1629, 132180), (1810, 118962), (2172, 99135), (2203, 97740), (2715, 79308), (3258, 66090), (3620, 59481), (4406, 48870), (4887, 44060), (5430, 39654), (6516, 33045), (6609, 32580), (8145, 26436), (8812, 24435), (9774, 22030), (10860, 19827), (11015, 19548), (13218, 16290)]