156959440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1228

約数の個数: 80

約数和(自身を含む): 400795776

約数和(自身を除く): 243836336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1031, 1384, 1730, 1903, 2062, 2768, 3460, 3806, 4124, 5155, 6920, 7612, 8248, 9515, 10310, 11341, 13840, 15224, 16496, 19030, 20620, 22682, 30448, 38060, 41240, 45364, 56705, 76120, 82480, 90728, 113410, 152240, 178363, 181456, 226820, 356726, 453640, 713452, 891815, 907280, 1426904, 1783630, 1961993, 2853808, 3567260, 3923986, 7134520, 7847972, 9809965, 14269040, 15695944, 19619930, 31391888, 39239860, 78479720, 156959440]

約数ペア:

[(1, 156959440), (2, 78479720), (4, 39239860), (5, 31391888), (8, 19619930), (10, 15695944), (11, 14269040), (16, 9809965), (20, 7847972), (22, 7134520), (40, 3923986), (44, 3567260), (55, 2853808), (80, 1961993), (88, 1783630), (110, 1426904), (173, 907280), (176, 891815), (220, 713452), (346, 453640), (440, 356726), (692, 226820), (865, 181456), (880, 178363), (1031, 152240), (1384, 113410), (1730, 90728), (1903, 82480), (2062, 76120), (2768, 56705), (3460, 45364), (3806, 41240), (4124, 38060), (5155, 30448), (6920, 22682), (7612, 20620), (8248, 19030), (9515, 16496), (10310, 15224), (11341, 13840)]