174681520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1663}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 441971712

約数和(自身を除く): 267290192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1313, 1616, 1663, 2020, 2626, 3326, 4040, 5252, 6565, 6652, 8080, 8315, 10504, 13130, 13304, 16630, 21008, 21619, 26260, 26608, 33260, 43238, 52520, 66520, 86476, 105040, 108095, 133040, 167963, 172952, 216190, 335926, 345904, 432380, 671852, 839815, 864760, 1343704, 1679630, 1729520, 2183519, 2687408, 3359260, 4367038, 6718520, 8734076, 10917595, 13437040, 17468152, 21835190, 34936304, 43670380, 87340760, 174681520]

約数ペア:

[(1, 174681520), (2, 87340760), (4, 43670380), (5, 34936304), (8, 21835190), (10, 17468152), (13, 13437040), (16, 10917595), (20, 8734076), (26, 6718520), (40, 4367038), (52, 3359260), (65, 2687408), (80, 2183519), (101, 1729520), (104, 1679630), (130, 1343704), (202, 864760), (208, 839815), (260, 671852), (404, 432380), (505, 345904), (520, 335926), (808, 216190), (1010, 172952), (1040, 167963), (1313, 133040), (1616, 108095), (1663, 105040), (2020, 86476), (2626, 66520), (3326, 52520), (4040, 43238), (5252, 33260), (6565, 26608), (6652, 26260), (8080, 21619), (8315, 21008), (10504, 16630), (13130, 13304)]