61478520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{512321}}^1$

素因数の和:512335

約数の個数: 32

約数和(自身を含む): 184435920

約数和(自身を除く): 122957400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 512321, 1024642, 1536963, 2049284, 2561605, 3073926, 4098568, 5123210, 6147852, 7684815, 10246420, 12295704, 15369630, 20492840, 30739260, 61478520]

約数ペア:

[(1, 61478520), (2, 30739260), (3, 20492840), (4, 15369630), (5, 12295704), (6, 10246420), (8, 7684815), (10, 6147852), (12, 5123210), (15, 4098568), (20, 3073926), (24, 2561605), (30, 2049284), (40, 1536963), (60, 1024642), (120, 512321)]