8341620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19861}}^1$

素因数の和:19880

約数の個数: 48

約数和(自身を含む): 26694528

約数和(自身を除く): 18352908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19861, 39722, 59583, 79444, 99305, 119166, 139027, 198610, 238332, 278054, 297915, 397220, 417081, 556108, 595830, 695135, 834162, 1191660, 1390270, 1668324, 2085405, 2780540, 4170810, 8341620]

約数ペア:

[(1, 8341620), (2, 4170810), (3, 2780540), (4, 2085405), (5, 1668324), (6, 1390270), (7, 1191660), (10, 834162), (12, 695135), (14, 595830), (15, 556108), (20, 417081), (21, 397220), (28, 297915), (30, 278054), (35, 238332), (42, 198610), (60, 139027), (70, 119166), (84, 99305), (105, 79444), (140, 59583), (210, 39722), (420, 19861)]