78977360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12821}}^1$

素因数の和:12852

約数の個数: 80

約数和(自身を含む): 228949632

約数和(自身を除く): 149972272

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, 12821, 25642, 51284, 64105, 89747, 102568, 128210, 141031, 179494, 205136, 256420, 282062, 358988, 448735, 512840, 564124, 705155, 717976, 897470, 987217, 1025680, 1128248, 1410310, 1435952, 1794940, 1974434, 2256496, 2820620, 3589880, 3948868, 4936085, 5641240, 7179760, 7897736, 9872170, 11282480, 15795472, 19744340, 39488680, 78977360]

約数ペア:

[(1, 78977360), (2, 39488680), (4, 19744340), (5, 15795472), (7, 11282480), (8, 9872170), (10, 7897736), (11, 7179760), (14, 5641240), (16, 4936085), (20, 3948868), (22, 3589880), (28, 2820620), (35, 2256496), (40, 1974434), (44, 1794940), (55, 1435952), (56, 1410310), (70, 1128248), (77, 1025680), (80, 987217), (88, 897470), (110, 717976), (112, 705155), (140, 564124), (154, 512840), (176, 448735), (220, 358988), (280, 282062), (308, 256420), (385, 205136), (440, 179494), (560, 141031), (616, 128210), (770, 102568), (880, 89747), (1232, 64105), (1540, 51284), (3080, 25642), (6160, 12821)]