551430180

素因数分解:

$2^2\times 3^7\times 5^1\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1838

約数の個数: 192

約数和(自身を含む): 1985948160

約数和(自身を除く): 1434517980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1801, 1890, 2187, 2268, 2430, 2835, 2916, 3402, 3602, 3645, 3780, 4374, 4860, 5103, 5403, 5670, 6804, 7204, 7290, 8505, 8748, 9005, 10206, 10806, 10935, 11340, 12607, 14580, 15309, 16209, 17010, 18010, 20412, 21612, 21870, 25214, 25515, 27015, 30618, 32418, 34020, 36020, 37821, 43740, 48627, 50428, 51030, 54030, 61236, 63035, 64836, 75642, 76545, 81045, 97254, 102060, 108060, 113463, 126070, 145881, 151284, 153090, 162090, 189105, 194508, 226926, 243135, 252140, 291762, 306180, 324180, 340389, 378210, 437643, 453852, 486270, 567315, 583524, 680778, 729405, 756420, 875286, 972540, 1021167, 1134630, 1312929, 1361556, 1458810, 1701945, 1750572, 2042334, 2188215, 2269260, 2625858, 2917620, 3063501, 3403890, 3938787, 4084668, 4376430, 5105835, 5251716, 6127002, 6564645, 6807780, 7877574, 8752860, 9190503, 10211670, 12254004, 13129290, 15317505, 15755148, 18381006, 19693935, 20423340, 26258580, 27571509, 30635010, 36762012, 39387870, 45952515, 55143018, 61270020, 78775740, 91905030, 110286036, 137857545, 183810060, 275715090, 551430180]

約数ペア:

[(1, 551430180), (2, 275715090), (3, 183810060), (4, 137857545), (5, 110286036), (6, 91905030), (7, 78775740), (9, 61270020), (10, 55143018), (12, 45952515), (14, 39387870), (15, 36762012), (18, 30635010), (20, 27571509), (21, 26258580), (27, 20423340), (28, 19693935), (30, 18381006), (35, 15755148), (36, 15317505), (42, 13129290), (45, 12254004), (54, 10211670), (60, 9190503), (63, 8752860), (70, 7877574), (81, 6807780), (84, 6564645), (90, 6127002), (105, 5251716), (108, 5105835), (126, 4376430), (135, 4084668), (140, 3938787), (162, 3403890), (180, 3063501), (189, 2917620), (210, 2625858), (243, 2269260), (252, 2188215), (270, 2042334), (315, 1750572), (324, 1701945), (378, 1458810), (405, 1361556), (420, 1312929), (486, 1134630), (540, 1021167), (567, 972540), (630, 875286), (729, 756420), (756, 729405), (810, 680778), (945, 583524), (972, 567315), (1134, 486270), (1215, 453852), (1260, 437643), (1458, 378210), (1620, 340389), (1701, 324180), (1801, 306180), (1890, 291762), (2187, 252140), (2268, 243135), (2430, 226926), (2835, 194508), (2916, 189105), (3402, 162090), (3602, 153090), (3645, 151284), (3780, 145881), (4374, 126070), (4860, 113463), (5103, 108060), (5403, 102060), (5670, 97254), (6804, 81045), (7204, 76545), (7290, 75642), (8505, 64836), (8748, 63035), (9005, 61236), (10206, 54030), (10806, 51030), (10935, 50428), (11340, 48627), (12607, 43740), (14580, 37821), (15309, 36020), (16209, 34020), (17010, 32418), (18010, 30618), (20412, 27015), (21612, 25515), (21870, 25214)]