788257275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2565

約数の個数: 96

約数和(自身を含む): 1564899840

約数和(自身を除く): 776642565

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 51, 57, 65, 75, 85, 95, 195, 221, 247, 255, 285, 323, 325, 425, 475, 663, 741, 969, 975, 1105, 1235, 1275, 1425, 1615, 2503, 3315, 3705, 4199, 4845, 5525, 6175, 7509, 8075, 12515, 12597, 16575, 18525, 20995, 24225, 32539, 37545, 42551, 47557, 62575, 62985, 97617, 104975, 127653, 142671, 162695, 187725, 212755, 237785, 314925, 488085, 553163, 618241, 638265, 713355, 808469, 813475, 1063775, 1188925, 1659489, 1854723, 2425407, 2440425, 2765815, 3091205, 3191325, 3566775, 4042345, 8297445, 9273615, 10510097, 12127035, 13829075, 15456025, 20211725, 31530291, 41487225, 46368075, 52550485, 60635175, 157651455, 262752425, 788257275]

約数ペア:

[(1, 788257275), (3, 262752425), (5, 157651455), (13, 60635175), (15, 52550485), (17, 46368075), (19, 41487225), (25, 31530291), (39, 20211725), (51, 15456025), (57, 13829075), (65, 12127035), (75, 10510097), (85, 9273615), (95, 8297445), (195, 4042345), (221, 3566775), (247, 3191325), (255, 3091205), (285, 2765815), (323, 2440425), (325, 2425407), (425, 1854723), (475, 1659489), (663, 1188925), (741, 1063775), (969, 813475), (975, 808469), (1105, 713355), (1235, 638265), (1275, 618241), (1425, 553163), (1615, 488085), (2503, 314925), (3315, 237785), (3705, 212755), (4199, 187725), (4845, 162695), (5525, 142671), (6175, 127653), (7509, 104975), (8075, 97617), (12515, 62985), (12597, 62575), (16575, 47557), (18525, 42551), (20995, 37545), (24225, 32539)]