15293320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 39669120

約数和(自身を除く): 24375800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 283, 386, 566, 772, 965, 1132, 1351, 1415, 1544, 1930, 1981, 2264, 2702, 2830, 3860, 3962, 5404, 5660, 6755, 7720, 7924, 9905, 10808, 11320, 13510, 15848, 19810, 27020, 39620, 54040, 54619, 79240, 109238, 218476, 273095, 382333, 436952, 546190, 764666, 1092380, 1529332, 1911665, 2184760, 3058664, 3823330, 7646660, 15293320]

約数ペア:

[(1, 15293320), (2, 7646660), (4, 3823330), (5, 3058664), (7, 2184760), (8, 1911665), (10, 1529332), (14, 1092380), (20, 764666), (28, 546190), (35, 436952), (40, 382333), (56, 273095), (70, 218476), (140, 109238), (193, 79240), (280, 54619), (283, 54040), (386, 39620), (566, 27020), (772, 19810), (965, 15848), (1132, 13510), (1351, 11320), (1415, 10808), (1544, 9905), (1930, 7924), (1981, 7720), (2264, 6755), (2702, 5660), (2830, 5404), (3860, 3962)]