15205129960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{15887}}^1$

素因数の和:16306

約数の個数: 64

約数和(自身を含む): 34798533120

約数和(自身を除く): 19593403160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 337, 355, 568, 674, 710, 1348, 1420, 1685, 2696, 2840, 3370, 6740, 13480, 15887, 23927, 31774, 47854, 63548, 79435, 95708, 119635, 127096, 158870, 191416, 239270, 317740, 478540, 635480, 957080, 1127977, 2255954, 4511908, 5353919, 5639885, 9023816, 10707838, 11279770, 21415676, 22559540, 26769595, 42831352, 45119080, 53539190, 107078380, 214156760, 380128249, 760256498, 1520512996, 1900641245, 3041025992, 3801282490, 7602564980, 15205129960]

約数ペア:

[(1, 15205129960), (2, 7602564980), (4, 3801282490), (5, 3041025992), (8, 1900641245), (10, 1520512996), (20, 760256498), (40, 380128249), (71, 214156760), (142, 107078380), (284, 53539190), (337, 45119080), (355, 42831352), (568, 26769595), (674, 22559540), (710, 21415676), (1348, 11279770), (1420, 10707838), (1685, 9023816), (2696, 5639885), (2840, 5353919), (3370, 4511908), (6740, 2255954), (13480, 1127977), (15887, 957080), (23927, 635480), (31774, 478540), (47854, 317740), (63548, 239270), (79435, 191416), (95708, 158870), (119635, 127096)]