65360820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155621}}^1$

素因数の和:155640

約数の個数: 48

約数和(自身を含む): 209155968

約数和(自身を除く): 143795148

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, 155621, 311242, 466863, 622484, 778105, 933726, 1089347, 1556210, 1867452, 2178694, 2334315, 3112420, 3268041, 4357388, 4668630, 5446735, 6536082, 9337260, 10893470, 13072164, 16340205, 21786940, 32680410, 65360820]

約数ペア:

[(1, 65360820), (2, 32680410), (3, 21786940), (4, 16340205), (5, 13072164), (6, 10893470), (7, 9337260), (10, 6536082), (12, 5446735), (14, 4668630), (15, 4357388), (20, 3268041), (21, 3112420), (28, 2334315), (30, 2178694), (35, 1867452), (42, 1556210), (60, 1089347), (70, 933726), (84, 778105), (105, 622484), (140, 466863), (210, 311242), (420, 155621)]