7771720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12445880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1039, 1496, 1870, 2078, 3740, 4156, 5195, 7480, 8312, 10390, 11429, 17663, 20780, 22858, 35326, 41560, 45716, 57145, 70652, 88315, 91432, 114290, 141304, 176630, 194293, 228580, 353260, 388586, 457160, 706520, 777172, 971465, 1554344, 1942930, 3885860, 7771720]

約数ペア:

[(1, 7771720), (2, 3885860), (4, 1942930), (5, 1554344), (8, 971465), (10, 777172), (11, 706520), (17, 457160), (20, 388586), (22, 353260), (34, 228580), (40, 194293), (44, 176630), (55, 141304), (68, 114290), (85, 91432), (88, 88315), (110, 70652), (136, 57145), (170, 45716), (187, 41560), (220, 35326), (340, 22858), (374, 20780), (440, 17663), (680, 11429), (748, 10390), (935, 8312), (1039, 7480), (1496, 5195), (1870, 4156), (2078, 3740)]