15768760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 40896000

約数和(自身を除く): 25127240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 283, 398, 566, 796, 995, 1132, 1393, 1415, 1592, 1981, 1990, 2264, 2786, 2830, 3962, 3980, 5572, 5660, 6965, 7924, 7960, 9905, 11144, 11320, 13930, 15848, 19810, 27860, 39620, 55720, 56317, 79240, 112634, 225268, 281585, 394219, 450536, 563170, 788438, 1126340, 1576876, 1971095, 2252680, 3153752, 3942190, 7884380, 15768760]

約数ペア:

[(1, 15768760), (2, 7884380), (4, 3942190), (5, 3153752), (7, 2252680), (8, 1971095), (10, 1576876), (14, 1126340), (20, 788438), (28, 563170), (35, 450536), (40, 394219), (56, 281585), (70, 225268), (140, 112634), (199, 79240), (280, 56317), (283, 55720), (398, 39620), (566, 27860), (796, 19810), (995, 15848), (1132, 13930), (1393, 11320), (1415, 11144), (1592, 9905), (1981, 7960), (1990, 7924), (2264, 6965), (2786, 5660), (2830, 5572), (3962, 3980)]