1215880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 2770200

約数和(自身を除く): 1554320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 269, 452, 538, 565, 904, 1076, 1130, 1345, 2152, 2260, 2690, 4520, 5380, 10760, 30397, 60794, 121588, 151985, 243176, 303970, 607940, 1215880]

約数ペア:

[(1, 1215880), (2, 607940), (4, 303970), (5, 243176), (8, 151985), (10, 121588), (20, 60794), (40, 30397), (113, 10760), (226, 5380), (269, 4520), (452, 2690), (538, 2260), (565, 2152), (904, 1345), (1076, 1130)]