205323660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{126743}}^1$

素因数の和:126764

約数の個数: 60

約数和(自身を含む): 644113008

約数和(自身を除く): 438789348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 126743, 253486, 380229, 506972, 633715, 760458, 1140687, 1267430, 1520916, 1901145, 2281374, 2534860, 3422061, 3802290, 4562748, 5703435, 6844122, 7604580, 10266183, 11406870, 13688244, 17110305, 20532366, 22813740, 34220610, 41064732, 51330915, 68441220, 102661830, 205323660]

約数ペア:

[(1, 205323660), (2, 102661830), (3, 68441220), (4, 51330915), (5, 41064732), (6, 34220610), (9, 22813740), (10, 20532366), (12, 17110305), (15, 13688244), (18, 11406870), (20, 10266183), (27, 7604580), (30, 6844122), (36, 5703435), (45, 4562748), (54, 3802290), (60, 3422061), (81, 2534860), (90, 2281374), (108, 1901145), (135, 1520916), (162, 1267430), (180, 1140687), (270, 760458), (324, 633715), (405, 506972), (540, 380229), (810, 253486), (1620, 126743)]