20156760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 72727200

約数和(自身を除く): 52570440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 59, 60, 65, 72, 73, 78, 90, 104, 117, 118, 120, 130, 146, 156, 177, 180, 195, 219, 234, 236, 260, 292, 295, 312, 354, 360, 365, 390, 438, 468, 472, 520, 531, 584, 585, 590, 657, 708, 730, 767, 780, 876, 885, 936, 949, 1062, 1095, 1170, 1180, 1314, 1416, 1460, 1534, 1560, 1752, 1770, 1898, 2124, 2190, 2301, 2340, 2360, 2628, 2655, 2847, 2920, 3068, 3285, 3540, 3796, 3835, 4248, 4307, 4380, 4602, 4680, 4745, 5256, 5310, 5694, 6136, 6570, 6903, 7080, 7592, 7670, 8541, 8614, 8760, 9204, 9490, 10620, 11388, 11505, 12921, 13140, 13806, 14235, 15340, 17082, 17228, 18408, 18980, 21240, 21535, 22776, 23010, 25842, 26280, 27612, 28470, 30680, 34164, 34456, 34515, 37960, 38763, 42705, 43070, 46020, 51684, 55224, 55991, 56940, 64605, 68328, 69030, 77526, 85410, 86140, 92040, 103368, 111982, 113880, 129210, 138060, 155052, 167973, 170820, 172280, 193815, 223964, 258420, 276120, 279955, 310104, 335946, 341640, 387630, 447928, 503919, 516840, 559910, 671892, 775260, 839865, 1007838, 1119820, 1343784, 1550520, 1679730, 2015676, 2239640, 2519595, 3359460, 4031352, 5039190, 6718920, 10078380, 20156760]

約数ペア:

[(1, 20156760), (2, 10078380), (3, 6718920), (4, 5039190), (5, 4031352), (6, 3359460), (8, 2519595), (9, 2239640), (10, 2015676), (12, 1679730), (13, 1550520), (15, 1343784), (18, 1119820), (20, 1007838), (24, 839865), (26, 775260), (30, 671892), (36, 559910), (39, 516840), (40, 503919), (45, 447928), (52, 387630), (59, 341640), (60, 335946), (65, 310104), (72, 279955), (73, 276120), (78, 258420), (90, 223964), (104, 193815), (117, 172280), (118, 170820), (120, 167973), (130, 155052), (146, 138060), (156, 129210), (177, 113880), (180, 111982), (195, 103368), (219, 92040), (234, 86140), (236, 85410), (260, 77526), (292, 69030), (295, 68328), (312, 64605), (354, 56940), (360, 55991), (365, 55224), (390, 51684), (438, 46020), (468, 43070), (472, 42705), (520, 38763), (531, 37960), (584, 34515), (585, 34456), (590, 34164), (657, 30680), (708, 28470), (730, 27612), (767, 26280), (780, 25842), (876, 23010), (885, 22776), (936, 21535), (949, 21240), (1062, 18980), (1095, 18408), (1170, 17228), (1180, 17082), (1314, 15340), (1416, 14235), (1460, 13806), (1534, 13140), (1560, 12921), (1752, 11505), (1770, 11388), (1898, 10620), (2124, 9490), (2190, 9204), (2301, 8760), (2340, 8614), (2360, 8541), (2628, 7670), (2655, 7592), (2847, 7080), (2920, 6903), (3068, 6570), (3285, 6136), (3540, 5694), (3796, 5310), (3835, 5256), (4248, 4745), (4307, 4680), (4380, 4602)]