520907160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 1611751680

約数和(自身を除く): 1090844520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 157, 172, 215, 258, 314, 344, 430, 471, 516, 628, 643, 645, 785, 860, 942, 1032, 1256, 1286, 1290, 1570, 1720, 1884, 1929, 2355, 2572, 2580, 3140, 3215, 3768, 3858, 4710, 5144, 5160, 6280, 6430, 6751, 7716, 9420, 9645, 12860, 13502, 15432, 18840, 19290, 20253, 25720, 27004, 27649, 33755, 38580, 40506, 54008, 55298, 67510, 77160, 81012, 82947, 100951, 101265, 110596, 135020, 138245, 162024, 165894, 201902, 202530, 221192, 270040, 276490, 302853, 331788, 403804, 405060, 414735, 504755, 552980, 605706, 663576, 807608, 810120, 829470, 1009510, 1105960, 1211412, 1514265, 1658940, 2019020, 2422824, 3028530, 3317880, 4038040, 4340893, 6057060, 8681786, 12114120, 13022679, 17363572, 21704465, 26045358, 34727144, 43408930, 52090716, 65113395, 86817860, 104181432, 130226790, 173635720, 260453580, 520907160]

約数ペア:

[(1, 520907160), (2, 260453580), (3, 173635720), (4, 130226790), (5, 104181432), (6, 86817860), (8, 65113395), (10, 52090716), (12, 43408930), (15, 34727144), (20, 26045358), (24, 21704465), (30, 17363572), (40, 13022679), (43, 12114120), (60, 8681786), (86, 6057060), (120, 4340893), (129, 4038040), (157, 3317880), (172, 3028530), (215, 2422824), (258, 2019020), (314, 1658940), (344, 1514265), (430, 1211412), (471, 1105960), (516, 1009510), (628, 829470), (643, 810120), (645, 807608), (785, 663576), (860, 605706), (942, 552980), (1032, 504755), (1256, 414735), (1286, 405060), (1290, 403804), (1570, 331788), (1720, 302853), (1884, 276490), (1929, 270040), (2355, 221192), (2572, 202530), (2580, 201902), (3140, 165894), (3215, 162024), (3768, 138245), (3858, 135020), (4710, 110596), (5144, 101265), (5160, 100951), (6280, 82947), (6430, 81012), (6751, 77160), (7716, 67510), (9420, 55298), (9645, 54008), (12860, 40506), (13502, 38580), (15432, 33755), (18840, 27649), (19290, 27004), (20253, 25720)]