28242780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27689}}^1$

素因数の和:27718

約数の個数: 48

約数和(自身を含む): 83734560

約数和(自身を除く): 55491780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 27689, 55378, 83067, 110756, 138445, 166134, 276890, 332268, 415335, 470713, 553780, 830670, 941426, 1412139, 1661340, 1882852, 2353565, 2824278, 4707130, 5648556, 7060695, 9414260, 14121390, 28242780]

約数ペア:

[(1, 28242780), (2, 14121390), (3, 9414260), (4, 7060695), (5, 5648556), (6, 4707130), (10, 2824278), (12, 2353565), (15, 1882852), (17, 1661340), (20, 1412139), (30, 941426), (34, 830670), (51, 553780), (60, 470713), (68, 415335), (85, 332268), (102, 276890), (170, 166134), (204, 138445), (255, 110756), (340, 83067), (510, 55378), (1020, 27689)]