90154120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{6571}}^1$

素因数の和:6603

約数の個数: 64

約数和(自身を含む): 236592000

約数和(自身を除く): 146437880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6571, 6860, 13142, 13720, 26284, 32855, 45997, 52568, 65710, 91994, 131420, 183988, 229985, 262840, 321979, 367976, 459970, 643958, 919940, 1287916, 1609895, 1839880, 2253853, 2575832, 3219790, 4507706, 6439580, 9015412, 11269265, 12879160, 18030824, 22538530, 45077060, 90154120]

約数ペア:

[(1, 90154120), (2, 45077060), (4, 22538530), (5, 18030824), (7, 12879160), (8, 11269265), (10, 9015412), (14, 6439580), (20, 4507706), (28, 3219790), (35, 2575832), (40, 2253853), (49, 1839880), (56, 1609895), (70, 1287916), (98, 919940), (140, 643958), (196, 459970), (245, 367976), (280, 321979), (343, 262840), (392, 229985), (490, 183988), (686, 131420), (980, 91994), (1372, 65710), (1715, 52568), (1960, 45997), (2744, 32855), (3430, 26284), (6571, 13720), (6860, 13142)]