42478740

素因数分解:

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

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 129391080

約数和(自身を除く): 86912340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 577, 818, 1154, 1227, 1636, 1731, 2045, 2308, 2454, 2885, 3462, 3681, 4090, 4908, 5193, 5770, 6135, 6924, 7362, 8180, 8655, 10386, 11540, 12270, 14724, 17310, 18405, 20772, 24540, 25965, 34620, 36810, 51930, 73620, 103860, 235993, 471986, 707979, 943972, 1179965, 1415958, 2123937, 2359930, 2831916, 3539895, 4247874, 4719860, 7079790, 8495748, 10619685, 14159580, 21239370, 42478740]

約数ペア:

[(1, 42478740), (2, 21239370), (3, 14159580), (4, 10619685), (5, 8495748), (6, 7079790), (9, 4719860), (10, 4247874), (12, 3539895), (15, 2831916), (18, 2359930), (20, 2123937), (30, 1415958), (36, 1179965), (45, 943972), (60, 707979), (90, 471986), (180, 235993), (409, 103860), (577, 73620), (818, 51930), (1154, 36810), (1227, 34620), (1636, 25965), (1731, 24540), (2045, 20772), (2308, 18405), (2454, 17310), (2885, 14724), (3462, 12270), (3681, 11540), (4090, 10386), (4908, 8655), (5193, 8180), (5770, 7362), (6135, 6924)]