72513980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47087}}^1$

素因数の和:47114

約数の個数: 48

約数和(自身を含む): 189858816

約数和(自身を除く): 117344836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 47087, 94174, 188348, 235435, 329609, 470870, 517957, 659218, 941740, 1035914, 1318436, 1648045, 2071828, 2589785, 3296090, 3625699, 5179570, 6592180, 7251398, 10359140, 14502796, 18128495, 36256990, 72513980]

約数ペア:

[(1, 72513980), (2, 36256990), (4, 18128495), (5, 14502796), (7, 10359140), (10, 7251398), (11, 6592180), (14, 5179570), (20, 3625699), (22, 3296090), (28, 2589785), (35, 2071828), (44, 1648045), (55, 1318436), (70, 1035914), (77, 941740), (110, 659218), (140, 517957), (154, 470870), (220, 329609), (308, 235435), (385, 188348), (770, 94174), (1540, 47087)]