80842860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{7129}}^1$

素因数の和:7157

約数の個数: 120

約数和(自身を含む): 289877280

約数和(自身を除く): 209034420

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, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 7129, 11340, 14258, 21387, 28516, 35645, 42774, 49903, 64161, 71290, 85548, 99806, 106935, 128322, 142580, 149709, 192483, 199612, 213870, 249515, 256644, 299418, 320805, 384966, 427740, 449127, 499030, 577449, 598836, 641610, 748545, 769932, 898254, 962415, 998060, 1154898, 1283220, 1347381, 1497090, 1796508, 1924830, 2245635, 2309796, 2694762, 2887245, 2994180, 3849660, 4042143, 4491270, 5389524, 5774490, 6736905, 8084286, 8982540, 11548980, 13473810, 16168572, 20210715, 26947620, 40421430, 80842860]

約数ペア:

[(1, 80842860), (2, 40421430), (3, 26947620), (4, 20210715), (5, 16168572), (6, 13473810), (7, 11548980), (9, 8982540), (10, 8084286), (12, 6736905), (14, 5774490), (15, 5389524), (18, 4491270), (20, 4042143), (21, 3849660), (27, 2994180), (28, 2887245), (30, 2694762), (35, 2309796), (36, 2245635), (42, 1924830), (45, 1796508), (54, 1497090), (60, 1347381), (63, 1283220), (70, 1154898), (81, 998060), (84, 962415), (90, 898254), (105, 769932), (108, 748545), (126, 641610), (135, 598836), (140, 577449), (162, 499030), (180, 449127), (189, 427740), (210, 384966), (252, 320805), (270, 299418), (315, 256644), (324, 249515), (378, 213870), (405, 199612), (420, 192483), (540, 149709), (567, 142580), (630, 128322), (756, 106935), (810, 99806), (945, 85548), (1134, 71290), (1260, 64161), (1620, 49903), (1890, 42774), (2268, 35645), (2835, 28516), (3780, 21387), (5670, 14258), (7129, 11340)]