81013170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{7873}}^1$

素因数の和:7904

約数の個数: 64

約数和(自身を含む): 226771200

約数和(自身を除く): 145758030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 7873, 10290, 15746, 23619, 39365, 47238, 55111, 78730, 110222, 118095, 165333, 236190, 275555, 330666, 385777, 551110, 771554, 826665, 1157331, 1653330, 1928885, 2314662, 2700439, 3857770, 5400878, 5786655, 8101317, 11573310, 13502195, 16202634, 27004390, 40506585, 81013170]

約数ペア:

[(1, 81013170), (2, 40506585), (3, 27004390), (5, 16202634), (6, 13502195), (7, 11573310), (10, 8101317), (14, 5786655), (15, 5400878), (21, 3857770), (30, 2700439), (35, 2314662), (42, 1928885), (49, 1653330), (70, 1157331), (98, 826665), (105, 771554), (147, 551110), (210, 385777), (245, 330666), (294, 275555), (343, 236190), (490, 165333), (686, 118095), (735, 110222), (1029, 78730), (1470, 55111), (1715, 47238), (2058, 39365), (3430, 23619), (5145, 15746), (7873, 10290)]