81066420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 256701984

約数和(自身を除く): 175635564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 163, 180, 270, 307, 324, 326, 405, 489, 540, 614, 652, 810, 815, 921, 978, 1228, 1467, 1535, 1620, 1630, 1842, 1956, 2445, 2763, 2934, 3070, 3260, 3684, 4401, 4605, 4890, 5526, 5868, 6140, 7335, 8289, 8802, 9210, 9780, 11052, 13203, 13815, 14670, 16578, 17604, 18420, 22005, 24867, 26406, 27630, 29340, 33156, 41445, 44010, 49734, 50041, 52812, 55260, 66015, 82890, 88020, 99468, 100082, 124335, 132030, 150123, 165780, 200164, 248670, 250205, 264060, 300246, 450369, 497340, 500410, 600492, 750615, 900738, 1000820, 1351107, 1501230, 1801476, 2251845, 2702214, 3002460, 4053321, 4503690, 5404428, 6755535, 8106642, 9007380, 13511070, 16213284, 20266605, 27022140, 40533210, 81066420]

約数ペア:

[(1, 81066420), (2, 40533210), (3, 27022140), (4, 20266605), (5, 16213284), (6, 13511070), (9, 9007380), (10, 8106642), (12, 6755535), (15, 5404428), (18, 4503690), (20, 4053321), (27, 3002460), (30, 2702214), (36, 2251845), (45, 1801476), (54, 1501230), (60, 1351107), (81, 1000820), (90, 900738), (108, 750615), (135, 600492), (162, 500410), (163, 497340), (180, 450369), (270, 300246), (307, 264060), (324, 250205), (326, 248670), (405, 200164), (489, 165780), (540, 150123), (614, 132030), (652, 124335), (810, 100082), (815, 99468), (921, 88020), (978, 82890), (1228, 66015), (1467, 55260), (1535, 52812), (1620, 50041), (1630, 49734), (1842, 44010), (1956, 41445), (2445, 33156), (2763, 29340), (2934, 27630), (3070, 26406), (3260, 24867), (3684, 22005), (4401, 18420), (4605, 17604), (4890, 16578), (5526, 14670), (5868, 13815), (6140, 13203), (7335, 11052), (8289, 9780), (8802, 9210)]