179835760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 476219520

約数和(自身を除く): 296383760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 361, 380, 479, 494, 520, 722, 760, 958, 988, 1040, 1235, 1444, 1520, 1805, 1916, 1976, 2395, 2470, 2888, 3610, 3832, 3952, 4693, 4790, 4940, 5776, 6227, 7220, 7664, 9101, 9386, 9580, 9880, 12454, 14440, 18202, 18772, 19160, 19760, 23465, 24908, 28880, 31135, 36404, 37544, 38320, 45505, 46930, 49816, 62270, 72808, 75088, 91010, 93860, 99632, 118313, 124540, 145616, 172919, 182020, 187720, 236626, 249080, 345838, 364040, 375440, 473252, 498160, 591565, 691676, 728080, 864595, 946504, 1183130, 1383352, 1729190, 1893008, 2247947, 2366260, 2766704, 3458380, 4495894, 4732520, 6916760, 8991788, 9465040, 11239735, 13833520, 17983576, 22479470, 35967152, 44958940, 89917880, 179835760]

約数ペア:

[(1, 179835760), (2, 89917880), (4, 44958940), (5, 35967152), (8, 22479470), (10, 17983576), (13, 13833520), (16, 11239735), (19, 9465040), (20, 8991788), (26, 6916760), (38, 4732520), (40, 4495894), (52, 3458380), (65, 2766704), (76, 2366260), (80, 2247947), (95, 1893008), (104, 1729190), (130, 1383352), (152, 1183130), (190, 946504), (208, 864595), (247, 728080), (260, 691676), (304, 591565), (361, 498160), (380, 473252), (479, 375440), (494, 364040), (520, 345838), (722, 249080), (760, 236626), (958, 187720), (988, 182020), (1040, 172919), (1235, 145616), (1444, 124540), (1520, 118313), (1805, 99632), (1916, 93860), (1976, 91010), (2395, 75088), (2470, 72808), (2888, 62270), (3610, 49816), (3832, 46930), (3952, 45505), (4693, 38320), (4790, 37544), (4940, 36404), (5776, 31135), (6227, 28880), (7220, 24908), (7664, 23465), (9101, 19760), (9386, 19160), (9580, 18772), (9880, 18202), (12454, 14440)]