51121740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1289}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 143468640

約数和(自身を除く): 92346900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1289, 1322, 1983, 2578, 2644, 3305, 3867, 3966, 5156, 6445, 6610, 7734, 7932, 9915, 12890, 13220, 15468, 19335, 19830, 25780, 38670, 39660, 77340, 852029, 1704058, 2556087, 3408116, 4260145, 5112174, 8520290, 10224348, 12780435, 17040580, 25560870, 51121740]

約数ペア:

[(1, 51121740), (2, 25560870), (3, 17040580), (4, 12780435), (5, 10224348), (6, 8520290), (10, 5112174), (12, 4260145), (15, 3408116), (20, 2556087), (30, 1704058), (60, 852029), (661, 77340), (1289, 39660), (1322, 38670), (1983, 25780), (2578, 19830), (2644, 19335), (3305, 15468), (3867, 13220), (3966, 12890), (5156, 9915), (6445, 7932), (6610, 7734)]