161561808

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21169}}^1$

素因数の和:21236

約数の個数: 60

約数和(自身を含む): 460701540

約数和(自身を除く): 299139732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 3816, 7632, 21169, 42338, 63507, 84676, 127014, 169352, 190521, 254028, 338704, 381042, 508056, 762084, 1016112, 1121957, 1524168, 2243914, 3048336, 3365871, 4487828, 6731742, 8975656, 10097613, 13463484, 17951312, 20195226, 26926968, 40390452, 53853936, 80780904, 161561808]

約数ペア:

[(1, 161561808), (2, 80780904), (3, 53853936), (4, 40390452), (6, 26926968), (8, 20195226), (9, 17951312), (12, 13463484), (16, 10097613), (18, 8975656), (24, 6731742), (36, 4487828), (48, 3365871), (53, 3048336), (72, 2243914), (106, 1524168), (144, 1121957), (159, 1016112), (212, 762084), (318, 508056), (424, 381042), (477, 338704), (636, 254028), (848, 190521), (954, 169352), (1272, 127014), (1908, 84676), (2544, 63507), (3816, 42338), (7632, 21169)]