80354960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 226271232

約数和(自身を除く): 145916272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 47, 56, 70, 71, 80, 86, 94, 112, 140, 142, 172, 188, 215, 235, 280, 284, 301, 329, 344, 355, 376, 430, 470, 497, 560, 568, 602, 658, 688, 710, 752, 860, 940, 994, 1136, 1204, 1316, 1420, 1505, 1645, 1720, 1880, 1988, 2021, 2408, 2485, 2632, 2840, 3010, 3053, 3290, 3337, 3440, 3760, 3976, 4042, 4816, 4970, 5264, 5680, 6020, 6106, 6580, 6674, 7952, 8084, 9940, 10105, 12040, 12212, 13160, 13348, 14147, 15265, 16168, 16685, 19880, 20210, 21371, 23359, 24080, 24424, 26320, 26696, 28294, 30530, 32336, 33370, 39760, 40420, 42742, 46718, 48848, 53392, 56588, 61060, 66740, 70735, 80840, 85484, 93436, 106855, 113176, 116795, 122120, 133480, 141470, 143491, 161680, 170968, 186872, 213710, 226352, 233590, 244240, 266960, 282940, 286982, 341936, 373744, 427420, 467180, 565880, 573964, 717455, 854840, 934360, 1004437, 1131760, 1147928, 1434910, 1709680, 1868720, 2008874, 2295856, 2869820, 4017748, 5022185, 5739640, 8035496, 10044370, 11479280, 16070992, 20088740, 40177480, 80354960]

約数ペア:

[(1, 80354960), (2, 40177480), (4, 20088740), (5, 16070992), (7, 11479280), (8, 10044370), (10, 8035496), (14, 5739640), (16, 5022185), (20, 4017748), (28, 2869820), (35, 2295856), (40, 2008874), (43, 1868720), (47, 1709680), (56, 1434910), (70, 1147928), (71, 1131760), (80, 1004437), (86, 934360), (94, 854840), (112, 717455), (140, 573964), (142, 565880), (172, 467180), (188, 427420), (215, 373744), (235, 341936), (280, 286982), (284, 282940), (301, 266960), (329, 244240), (344, 233590), (355, 226352), (376, 213710), (430, 186872), (470, 170968), (497, 161680), (560, 143491), (568, 141470), (602, 133480), (658, 122120), (688, 116795), (710, 113176), (752, 106855), (860, 93436), (940, 85484), (994, 80840), (1136, 70735), (1204, 66740), (1316, 61060), (1420, 56588), (1505, 53392), (1645, 48848), (1720, 46718), (1880, 42742), (1988, 40420), (2021, 39760), (2408, 33370), (2485, 32336), (2632, 30530), (2840, 28294), (3010, 26696), (3053, 26320), (3290, 24424), (3337, 24080), (3440, 23359), (3760, 21371), (3976, 20210), (4042, 19880), (4816, 16685), (4970, 16168), (5264, 15265), (5680, 14147), (6020, 13348), (6106, 13160), (6580, 12212), (6674, 12040), (7952, 10105), (8084, 9940)]