81405936

素因数分解:

$2^4\times 3^2\times {\mathrm{565319}}^1$

素因数の和:565333

約数の個数: 30

約数和(自身を含む): 227823960

約数和(自身を除く): 146418024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 565319, 1130638, 1695957, 2261276, 3391914, 4522552, 5087871, 6783828, 9045104, 10175742, 13567656, 20351484, 27135312, 40702968, 81405936]

約数ペア:

[(1, 81405936), (2, 40702968), (3, 27135312), (4, 20351484), (6, 13567656), (8, 10175742), (9, 9045104), (12, 6783828), (16, 5087871), (18, 4522552), (24, 3391914), (36, 2261276), (48, 1695957), (72, 1130638), (144, 565319)]