816420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1237}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 2495808

約数和(自身を除く): 1679388

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1237, 2474, 3711, 4948, 6185, 7422, 12370, 13607, 14844, 18555, 24740, 27214, 37110, 40821, 54428, 68035, 74220, 81642, 136070, 163284, 204105, 272140, 408210, 816420]

約数ペア:

[(1, 816420), (2, 408210), (3, 272140), (4, 204105), (5, 163284), (6, 136070), (10, 81642), (11, 74220), (12, 68035), (15, 54428), (20, 40821), (22, 37110), (30, 27214), (33, 24740), (44, 18555), (55, 14844), (60, 13607), (66, 12370), (110, 7422), (132, 6185), (165, 4948), (220, 3711), (330, 2474), (660, 1237)]