1301220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7229}}^1$

素因数の和:7244

約数の個数: 36

約数和(自身を含む): 3947580

約数和(自身を除く): 2646360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7229, 14458, 21687, 28916, 36145, 43374, 65061, 72290, 86748, 108435, 130122, 144580, 216870, 260244, 325305, 433740, 650610, 1301220]

約数ペア:

[(1, 1301220), (2, 650610), (3, 433740), (4, 325305), (5, 260244), (6, 216870), (9, 144580), (10, 130122), (12, 108435), (15, 86748), (18, 72290), (20, 65061), (30, 43374), (36, 36145), (45, 28916), (60, 21687), (90, 14458), (180, 7229)]