78792560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12791}}^1$

素因数の和:12822

約数の個数: 80

約数和(自身を含む): 228413952

約数和(自身を除く): 149621392

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 12791, 25582, 51164, 63955, 89537, 102328, 127910, 140701, 179074, 204656, 255820, 281402, 358148, 447685, 511640, 562804, 703505, 716296, 895370, 984907, 1023280, 1125608, 1407010, 1432592, 1790740, 1969814, 2251216, 2814020, 3581480, 3939628, 4924535, 5628040, 7162960, 7879256, 9849070, 11256080, 15758512, 19698140, 39396280, 78792560]

約数ペア:

[(1, 78792560), (2, 39396280), (4, 19698140), (5, 15758512), (7, 11256080), (8, 9849070), (10, 7879256), (11, 7162960), (14, 5628040), (16, 4924535), (20, 3939628), (22, 3581480), (28, 2814020), (35, 2251216), (40, 1969814), (44, 1790740), (55, 1432592), (56, 1407010), (70, 1125608), (77, 1023280), (80, 984907), (88, 895370), (110, 716296), (112, 703505), (140, 562804), (154, 511640), (176, 447685), (220, 358148), (280, 281402), (308, 255820), (385, 204656), (440, 179074), (560, 140701), (616, 127910), (770, 102328), (880, 89537), (1232, 63955), (1540, 51164), (3080, 25582), (6160, 12791)]