311948080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8923}}^1$

素因数の和:8978

約数の個数: 80

約数和(自身を含む): 796734720

約数和(自身を除く): 484786640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 8740, 8923, 17480, 17846, 34960, 35692, 44615, 71384, 89230, 142768, 169537, 178460, 205229, 339074, 356920, 410458, 678148, 713840, 820916, 847685, 1026145, 1356296, 1641832, 1695370, 2052290, 2712592, 3283664, 3390740, 3899351, 4104580, 6781480, 7798702, 8209160, 13562960, 15597404, 16418320, 19496755, 31194808, 38993510, 62389616, 77987020, 155974040, 311948080]

約数ペア:

[(1, 311948080), (2, 155974040), (4, 77987020), (5, 62389616), (8, 38993510), (10, 31194808), (16, 19496755), (19, 16418320), (20, 15597404), (23, 13562960), (38, 8209160), (40, 7798702), (46, 6781480), (76, 4104580), (80, 3899351), (92, 3390740), (95, 3283664), (115, 2712592), (152, 2052290), (184, 1695370), (190, 1641832), (230, 1356296), (304, 1026145), (368, 847685), (380, 820916), (437, 713840), (460, 678148), (760, 410458), (874, 356920), (920, 339074), (1520, 205229), (1748, 178460), (1840, 169537), (2185, 142768), (3496, 89230), (4370, 71384), (6992, 44615), (8740, 35692), (8923, 34960), (17480, 17846)]