77748320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37379}}^1$

素因数の和:37407

約数の個数: 48

約数和(自身を含む): 197814960

約数和(自身を除く): 120066640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37379, 74758, 149516, 186895, 299032, 373790, 485927, 598064, 747580, 971854, 1196128, 1495160, 1943708, 2429635, 2990320, 3887416, 4859270, 5980640, 7774832, 9718540, 15549664, 19437080, 38874160, 77748320]

約数ペア:

[(1, 77748320), (2, 38874160), (4, 19437080), (5, 15549664), (8, 9718540), (10, 7774832), (13, 5980640), (16, 4859270), (20, 3887416), (26, 2990320), (32, 2429635), (40, 1943708), (52, 1495160), (65, 1196128), (80, 971854), (104, 747580), (130, 598064), (160, 485927), (208, 373790), (260, 299032), (416, 186895), (520, 149516), (1040, 74758), (2080, 37379)]