1353880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 3538080

約数和(自身を除く): 2184200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 181, 187, 220, 340, 362, 374, 440, 680, 724, 748, 905, 935, 1448, 1496, 1810, 1870, 1991, 3077, 3620, 3740, 3982, 6154, 7240, 7480, 7964, 9955, 12308, 15385, 15928, 19910, 24616, 30770, 33847, 39820, 61540, 67694, 79640, 123080, 135388, 169235, 270776, 338470, 676940, 1353880]

約数ペア:

[(1, 1353880), (2, 676940), (4, 338470), (5, 270776), (8, 169235), (10, 135388), (11, 123080), (17, 79640), (20, 67694), (22, 61540), (34, 39820), (40, 33847), (44, 30770), (55, 24616), (68, 19910), (85, 15928), (88, 15385), (110, 12308), (136, 9955), (170, 7964), (181, 7480), (187, 7240), (220, 6154), (340, 3982), (362, 3740), (374, 3620), (440, 3077), (680, 1991), (724, 1870), (748, 1810), (905, 1496), (935, 1448)]