140420960

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 344881152

約数和(自身を除く): 204460192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 71, 80, 94, 142, 160, 188, 235, 263, 284, 355, 376, 470, 526, 568, 710, 752, 940, 1052, 1136, 1315, 1420, 1504, 1880, 2104, 2272, 2630, 2840, 3337, 3760, 4208, 5260, 5680, 6674, 7520, 8416, 10520, 11360, 12361, 13348, 16685, 18673, 21040, 24722, 26696, 33370, 37346, 42080, 49444, 53392, 61805, 66740, 74692, 93365, 98888, 106784, 123610, 133480, 149384, 186730, 197776, 247220, 266960, 298768, 373460, 395552, 494440, 533920, 597536, 746920, 877631, 988880, 1493840, 1755262, 1977760, 2987680, 3510524, 4388155, 7021048, 8776310, 14042096, 17552620, 28084192, 35105240, 70210480, 140420960]

約数ペア:

[(1, 140420960), (2, 70210480), (4, 35105240), (5, 28084192), (8, 17552620), (10, 14042096), (16, 8776310), (20, 7021048), (32, 4388155), (40, 3510524), (47, 2987680), (71, 1977760), (80, 1755262), (94, 1493840), (142, 988880), (160, 877631), (188, 746920), (235, 597536), (263, 533920), (284, 494440), (355, 395552), (376, 373460), (470, 298768), (526, 266960), (568, 247220), (710, 197776), (752, 186730), (940, 149384), (1052, 133480), (1136, 123610), (1315, 106784), (1420, 98888), (1504, 93365), (1880, 74692), (2104, 66740), (2272, 61805), (2630, 53392), (2840, 49444), (3337, 42080), (3760, 37346), (4208, 33370), (5260, 26696), (5680, 24722), (6674, 21040), (7520, 18673), (8416, 16685), (10520, 13348), (11360, 12361)]