15647660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2281}}^1$

素因数の和:2311

約数の個数: 48

約数和(自身を含む): 38337600

約数和(自身を除く): 22689940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2281, 3430, 4562, 6860, 9124, 11405, 15967, 22810, 31934, 45620, 63868, 79835, 111769, 159670, 223538, 319340, 447076, 558845, 782383, 1117690, 1564766, 2235380, 3129532, 3911915, 7823830, 15647660]

約数ペア:

[(1, 15647660), (2, 7823830), (4, 3911915), (5, 3129532), (7, 2235380), (10, 1564766), (14, 1117690), (20, 782383), (28, 558845), (35, 447076), (49, 319340), (70, 223538), (98, 159670), (140, 111769), (196, 79835), (245, 63868), (343, 45620), (490, 31934), (686, 22810), (980, 15967), (1372, 11405), (1715, 9124), (2281, 6860), (3430, 4562)]