178146320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2087}}^1$

素因数の和:2208

約数の個数: 80

約数和(自身を含む): 456720768

約数和(自身を除く): 278574448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 776, 880, 970, 1067, 1552, 1940, 2087, 2134, 3880, 4174, 4268, 5335, 7760, 8348, 8536, 10435, 10670, 16696, 17072, 20870, 21340, 22957, 33392, 41740, 42680, 45914, 83480, 85360, 91828, 114785, 166960, 183656, 202439, 229570, 367312, 404878, 459140, 809756, 918280, 1012195, 1619512, 1836560, 2024390, 2226829, 3239024, 4048780, 4453658, 8097560, 8907316, 11134145, 16195120, 17814632, 22268290, 35629264, 44536580, 89073160, 178146320]

約数ペア:

[(1, 178146320), (2, 89073160), (4, 44536580), (5, 35629264), (8, 22268290), (10, 17814632), (11, 16195120), (16, 11134145), (20, 8907316), (22, 8097560), (40, 4453658), (44, 4048780), (55, 3239024), (80, 2226829), (88, 2024390), (97, 1836560), (110, 1619512), (176, 1012195), (194, 918280), (220, 809756), (388, 459140), (440, 404878), (485, 367312), (776, 229570), (880, 202439), (970, 183656), (1067, 166960), (1552, 114785), (1940, 91828), (2087, 85360), (2134, 83480), (3880, 45914), (4174, 42680), (4268, 41740), (5335, 33392), (7760, 22957), (8348, 21340), (8536, 20870), (10435, 17072), (10670, 16696)]