15243520

素因数分解:

$2^8\times 5^1\times {\mathrm{11909}}^1$

素因数の和:11930

約数の個数: 36

約数和(自身を含む): 36516060

約数和(自身を除く): 21272540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 11909, 23818, 47636, 59545, 95272, 119090, 190544, 238180, 381088, 476360, 762176, 952720, 1524352, 1905440, 3048704, 3810880, 7621760, 15243520]

約数ペア:

[(1, 15243520), (2, 7621760), (4, 3810880), (5, 3048704), (8, 1905440), (10, 1524352), (16, 952720), (20, 762176), (32, 476360), (40, 381088), (64, 238180), (80, 190544), (128, 119090), (160, 95272), (256, 59545), (320, 47636), (640, 23818), (1280, 11909)]