15521320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16871}}^1$

素因数の和:16905

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 20922200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 16871, 33742, 67484, 84355, 134968, 168710, 337420, 388033, 674840, 776066, 1552132, 1940165, 3104264, 3880330, 7760660, 15521320]

約数ペア:

[(1, 15521320), (2, 7760660), (4, 3880330), (5, 3104264), (8, 1940165), (10, 1552132), (20, 776066), (23, 674840), (40, 388033), (46, 337420), (92, 168710), (115, 134968), (184, 84355), (230, 67484), (460, 33742), (920, 16871)]