28319160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{577}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 85312800

約数和(自身を除く): 56993640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 577, 818, 1154, 1227, 1636, 1731, 2045, 2308, 2454, 2885, 3272, 3462, 4090, 4616, 4908, 5770, 6135, 6924, 8180, 8655, 9816, 11540, 12270, 13848, 16360, 17310, 23080, 24540, 34620, 49080, 69240, 235993, 471986, 707979, 943972, 1179965, 1415958, 1887944, 2359930, 2831916, 3539895, 4719860, 5663832, 7079790, 9439720, 14159580, 28319160]

約数ペア:

[(1, 28319160), (2, 14159580), (3, 9439720), (4, 7079790), (5, 5663832), (6, 4719860), (8, 3539895), (10, 2831916), (12, 2359930), (15, 1887944), (20, 1415958), (24, 1179965), (30, 943972), (40, 707979), (60, 471986), (120, 235993), (409, 69240), (577, 49080), (818, 34620), (1154, 24540), (1227, 23080), (1636, 17310), (1731, 16360), (2045, 13848), (2308, 12270), (2454, 11540), (2885, 9816), (3272, 8655), (3462, 8180), (4090, 6924), (4616, 6135), (4908, 5770)]