254162960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1656

約数の個数: 80

約数和(自身を含む): 620317440

約数和(自身を除く): 366154480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 355, 464, 568, 580, 710, 1136, 1160, 1420, 1543, 2059, 2320, 2840, 3086, 4118, 5680, 6172, 7715, 8236, 10295, 12344, 15430, 16472, 20590, 24688, 30860, 32944, 41180, 44747, 61720, 82360, 89494, 109553, 123440, 164720, 178988, 219106, 223735, 357976, 438212, 447470, 547765, 715952, 876424, 894940, 1095530, 1752848, 1789880, 2191060, 3177037, 3579760, 4382120, 6354074, 8764240, 12708148, 15885185, 25416296, 31770370, 50832592, 63540740, 127081480, 254162960]

約数ペア:

[(1, 254162960), (2, 127081480), (4, 63540740), (5, 50832592), (8, 31770370), (10, 25416296), (16, 15885185), (20, 12708148), (29, 8764240), (40, 6354074), (58, 4382120), (71, 3579760), (80, 3177037), (116, 2191060), (142, 1789880), (145, 1752848), (232, 1095530), (284, 894940), (290, 876424), (355, 715952), (464, 547765), (568, 447470), (580, 438212), (710, 357976), (1136, 223735), (1160, 219106), (1420, 178988), (1543, 164720), (2059, 123440), (2320, 109553), (2840, 89494), (3086, 82360), (4118, 61720), (5680, 44747), (6172, 41180), (7715, 32944), (8236, 30860), (10295, 24688), (12344, 20590), (15430, 16472)]