813308880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78809}}^1$

素因数の和:78868

約数の個数: 80

約数和(自身を含む): 2579924160

約数和(自身を除く): 1766615280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 78809, 157618, 236427, 315236, 394045, 472854, 630472, 788090, 945708, 1182135, 1260944, 1576180, 1891416, 2364270, 3152360, 3388787, 3782832, 4728540, 6304720, 6777574, 9457080, 10166361, 13555148, 16943935, 18914160, 20332722, 27110296, 33887870, 40665444, 50831805, 54220592, 67775740, 81330888, 101663610, 135551480, 162661776, 203327220, 271102960, 406654440, 813308880]

約数ペア:

[(1, 813308880), (2, 406654440), (3, 271102960), (4, 203327220), (5, 162661776), (6, 135551480), (8, 101663610), (10, 81330888), (12, 67775740), (15, 54220592), (16, 50831805), (20, 40665444), (24, 33887870), (30, 27110296), (40, 20332722), (43, 18914160), (48, 16943935), (60, 13555148), (80, 10166361), (86, 9457080), (120, 6777574), (129, 6304720), (172, 4728540), (215, 3782832), (240, 3388787), (258, 3152360), (344, 2364270), (430, 1891416), (516, 1576180), (645, 1260944), (688, 1182135), (860, 945708), (1032, 788090), (1290, 630472), (1720, 472854), (2064, 394045), (2580, 315236), (3440, 236427), (5160, 157618), (10320, 78809)]