15203780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 34228656

約数和(自身を除く): 19024876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 461, 485, 922, 970, 1649, 1844, 1940, 2305, 3298, 4610, 6596, 7837, 8245, 9220, 15674, 16490, 31348, 32980, 39185, 44717, 78370, 89434, 156740, 178868, 223585, 447170, 760189, 894340, 1520378, 3040756, 3800945, 7601890, 15203780]

約数ペア:

[(1, 15203780), (2, 7601890), (4, 3800945), (5, 3040756), (10, 1520378), (17, 894340), (20, 760189), (34, 447170), (68, 223585), (85, 178868), (97, 156740), (170, 89434), (194, 78370), (340, 44717), (388, 39185), (461, 32980), (485, 31348), (922, 16490), (970, 15674), (1649, 9220), (1844, 8245), (1940, 7837), (2305, 6596), (3298, 4610)]