18102840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 64834560

約数和(自身を除く): 46731720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 937, 966, 1288, 1380, 1610, 1874, 1932, 2415, 2760, 2811, 3220, 3748, 3864, 4685, 4830, 5622, 6440, 6559, 7496, 9370, 9660, 11244, 13118, 14055, 18740, 19320, 19677, 21551, 22488, 26236, 28110, 32795, 37480, 39354, 43102, 52472, 56220, 64653, 65590, 78708, 86204, 98385, 107755, 112440, 129306, 131180, 150857, 157416, 172408, 196770, 215510, 258612, 262360, 301714, 323265, 393540, 431020, 452571, 517224, 603428, 646530, 754285, 787080, 862040, 905142, 1206856, 1293060, 1508570, 1810284, 2262855, 2586120, 3017140, 3620568, 4525710, 6034280, 9051420, 18102840]

約数ペア:

[(1, 18102840), (2, 9051420), (3, 6034280), (4, 4525710), (5, 3620568), (6, 3017140), (7, 2586120), (8, 2262855), (10, 1810284), (12, 1508570), (14, 1293060), (15, 1206856), (20, 905142), (21, 862040), (23, 787080), (24, 754285), (28, 646530), (30, 603428), (35, 517224), (40, 452571), (42, 431020), (46, 393540), (56, 323265), (60, 301714), (69, 262360), (70, 258612), (84, 215510), (92, 196770), (105, 172408), (115, 157416), (120, 150857), (138, 131180), (140, 129306), (161, 112440), (168, 107755), (184, 98385), (210, 86204), (230, 78708), (276, 65590), (280, 64653), (322, 56220), (345, 52472), (420, 43102), (460, 39354), (483, 37480), (552, 32795), (644, 28110), (690, 26236), (805, 22488), (840, 21551), (920, 19677), (937, 19320), (966, 18740), (1288, 14055), (1380, 13118), (1610, 11244), (1874, 9660), (1932, 9370), (2415, 7496), (2760, 6559), (2811, 6440), (3220, 5622), (3748, 4830), (3864, 4685)]