15511441880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{83737}}^1$

素因数の和:84180

約数の個数: 64

約数和(自身を含む): 38164430880

約数和(自身を除く): 22652989000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 421, 440, 842, 1684, 2105, 3368, 4210, 4631, 8420, 9262, 16840, 18524, 23155, 37048, 46310, 83737, 92620, 167474, 185240, 334948, 418685, 669896, 837370, 921107, 1674740, 1842214, 3349480, 3684428, 4605535, 7368856, 9211070, 18422140, 35253277, 36844280, 70506554, 141013108, 176266385, 282026216, 352532770, 387786047, 705065540, 775572094, 1410131080, 1551144188, 1938930235, 3102288376, 3877860470, 7755720940, 15511441880]

約数ペア:

[(1, 15511441880), (2, 7755720940), (4, 3877860470), (5, 3102288376), (8, 1938930235), (10, 1551144188), (11, 1410131080), (20, 775572094), (22, 705065540), (40, 387786047), (44, 352532770), (55, 282026216), (88, 176266385), (110, 141013108), (220, 70506554), (421, 36844280), (440, 35253277), (842, 18422140), (1684, 9211070), (2105, 7368856), (3368, 4605535), (4210, 3684428), (4631, 3349480), (8420, 1842214), (9262, 1674740), (16840, 921107), (18524, 837370), (23155, 669896), (37048, 418685), (46310, 334948), (83737, 185240), (92620, 167474)]