1279520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 3302208

約数和(自身を除く): 2022688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 727, 880, 1454, 1760, 2908, 3635, 5816, 7270, 7997, 11632, 14540, 15994, 23264, 29080, 31988, 39985, 58160, 63976, 79970, 116320, 127952, 159940, 255904, 319880, 639760, 1279520]

約数ペア:

[(1, 1279520), (2, 639760), (4, 319880), (5, 255904), (8, 159940), (10, 127952), (11, 116320), (16, 79970), (20, 63976), (22, 58160), (32, 39985), (40, 31988), (44, 29080), (55, 23264), (80, 15994), (88, 14540), (110, 11632), (160, 7997), (176, 7270), (220, 5816), (352, 3635), (440, 2908), (727, 1760), (880, 1454)]