8768120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 21168000

約数和(自身を除く): 12399880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 139, 152, 166, 190, 278, 332, 380, 415, 556, 664, 695, 760, 830, 1112, 1390, 1577, 1660, 2641, 2780, 3154, 3320, 5282, 5560, 6308, 7885, 10564, 11537, 12616, 13205, 15770, 21128, 23074, 26410, 31540, 46148, 52820, 57685, 63080, 92296, 105640, 115370, 219203, 230740, 438406, 461480, 876812, 1096015, 1753624, 2192030, 4384060, 8768120]

約数ペア:

[(1, 8768120), (2, 4384060), (4, 2192030), (5, 1753624), (8, 1096015), (10, 876812), (19, 461480), (20, 438406), (38, 230740), (40, 219203), (76, 115370), (83, 105640), (95, 92296), (139, 63080), (152, 57685), (166, 52820), (190, 46148), (278, 31540), (332, 26410), (380, 23074), (415, 21128), (556, 15770), (664, 13205), (695, 12616), (760, 11537), (830, 10564), (1112, 7885), (1390, 6308), (1577, 5560), (1660, 5282), (2641, 3320), (2780, 3154)]