81938460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12763}}^1$

素因数の和:12882

約数の個数: 48

約数和(自身を含む): 231590016

約数和(自身を除く): 149651556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 12763, 25526, 38289, 51052, 63815, 76578, 127630, 153156, 191445, 255260, 382890, 765780, 1365641, 2731282, 4096923, 5462564, 6828205, 8193846, 13656410, 16387692, 20484615, 27312820, 40969230, 81938460]

約数ペア:

[(1, 81938460), (2, 40969230), (3, 27312820), (4, 20484615), (5, 16387692), (6, 13656410), (10, 8193846), (12, 6828205), (15, 5462564), (20, 4096923), (30, 2731282), (60, 1365641), (107, 765780), (214, 382890), (321, 255260), (428, 191445), (535, 153156), (642, 127630), (1070, 76578), (1284, 63815), (1605, 51052), (2140, 38289), (3210, 25526), (6420, 12763)]