317756640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{661993}}^1$

素因数の和:662011

約数の個数: 48

約数和(自身を含む): 1000934928

約数和(自身を除く): 683178288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 661993, 1323986, 1985979, 2647972, 3309965, 3971958, 5295944, 6619930, 7943916, 9929895, 10591888, 13239860, 15887832, 19859790, 21183776, 26479720, 31775664, 39719580, 52959440, 63551328, 79439160, 105918880, 158878320, 317756640]

約数ペア:

[(1, 317756640), (2, 158878320), (3, 105918880), (4, 79439160), (5, 63551328), (6, 52959440), (8, 39719580), (10, 31775664), (12, 26479720), (15, 21183776), (16, 19859790), (20, 15887832), (24, 13239860), (30, 10591888), (32, 9929895), (40, 7943916), (48, 6619930), (60, 5295944), (80, 3971958), (96, 3309965), (120, 2647972), (160, 1985979), (240, 1323986), (480, 661993)]