88780760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 206841600

約数和(自身を除く): 118060840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 223, 269, 296, 370, 446, 538, 740, 892, 1076, 1115, 1345, 1480, 1784, 2152, 2230, 2690, 4460, 5380, 8251, 8920, 9953, 10760, 16502, 19906, 33004, 39812, 41255, 49765, 59987, 66008, 79624, 82510, 99530, 119974, 165020, 199060, 239948, 299935, 330040, 398120, 479896, 599870, 1199740, 2219519, 2399480, 4439038, 8878076, 11097595, 17756152, 22195190, 44390380, 88780760]

約数ペア:

[(1, 88780760), (2, 44390380), (4, 22195190), (5, 17756152), (8, 11097595), (10, 8878076), (20, 4439038), (37, 2399480), (40, 2219519), (74, 1199740), (148, 599870), (185, 479896), (223, 398120), (269, 330040), (296, 299935), (370, 239948), (446, 199060), (538, 165020), (740, 119974), (892, 99530), (1076, 82510), (1115, 79624), (1345, 66008), (1480, 59987), (1784, 49765), (2152, 41255), (2230, 39812), (2690, 33004), (4460, 19906), (5380, 16502), (8251, 10760), (8920, 9953)]