130528020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{310781}}^1$

素因数の和:310800

約数の個数: 48

約数和(自身を含む): 417691008

約数和(自身を除く): 287162988

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, 310781, 621562, 932343, 1243124, 1553905, 1864686, 2175467, 3107810, 3729372, 4350934, 4661715, 6215620, 6526401, 8701868, 9323430, 10877335, 13052802, 18646860, 21754670, 26105604, 32632005, 43509340, 65264010, 130528020]

約数ペア:

[(1, 130528020), (2, 65264010), (3, 43509340), (4, 32632005), (5, 26105604), (6, 21754670), (7, 18646860), (10, 13052802), (12, 10877335), (14, 9323430), (15, 8701868), (20, 6526401), (21, 6215620), (28, 4661715), (30, 4350934), (35, 3729372), (42, 3107810), (60, 2175467), (70, 1864686), (84, 1553905), (105, 1243124), (140, 932343), (210, 621562), (420, 310781)]