18515280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 66852864

約数和(自身を除く): 48337584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 103, 105, 107, 112, 120, 140, 168, 206, 210, 214, 240, 280, 309, 321, 336, 412, 420, 428, 515, 535, 560, 618, 642, 721, 749, 824, 840, 856, 1030, 1070, 1236, 1284, 1442, 1498, 1545, 1605, 1648, 1680, 1712, 2060, 2140, 2163, 2247, 2472, 2568, 2884, 2996, 3090, 3210, 3605, 3745, 4120, 4280, 4326, 4494, 4944, 5136, 5768, 5992, 6180, 6420, 7210, 7490, 8240, 8560, 8652, 8988, 10815, 11021, 11235, 11536, 11984, 12360, 12840, 14420, 14980, 17304, 17976, 21630, 22042, 22470, 24720, 25680, 28840, 29960, 33063, 34608, 35952, 43260, 44084, 44940, 55105, 57680, 59920, 66126, 77147, 86520, 88168, 89880, 110210, 132252, 154294, 165315, 173040, 176336, 179760, 220420, 231441, 264504, 308588, 330630, 385735, 440840, 462882, 529008, 617176, 661260, 771470, 881680, 925764, 1157205, 1234352, 1322520, 1542940, 1851528, 2314410, 2645040, 3085880, 3703056, 4628820, 6171760, 9257640, 18515280]

約数ペア:

[(1, 18515280), (2, 9257640), (3, 6171760), (4, 4628820), (5, 3703056), (6, 3085880), (7, 2645040), (8, 2314410), (10, 1851528), (12, 1542940), (14, 1322520), (15, 1234352), (16, 1157205), (20, 925764), (21, 881680), (24, 771470), (28, 661260), (30, 617176), (35, 529008), (40, 462882), (42, 440840), (48, 385735), (56, 330630), (60, 308588), (70, 264504), (80, 231441), (84, 220420), (103, 179760), (105, 176336), (107, 173040), (112, 165315), (120, 154294), (140, 132252), (168, 110210), (206, 89880), (210, 88168), (214, 86520), (240, 77147), (280, 66126), (309, 59920), (321, 57680), (336, 55105), (412, 44940), (420, 44084), (428, 43260), (515, 35952), (535, 34608), (560, 33063), (618, 29960), (642, 28840), (721, 25680), (749, 24720), (824, 22470), (840, 22042), (856, 21630), (1030, 17976), (1070, 17304), (1236, 14980), (1284, 14420), (1442, 12840), (1498, 12360), (1545, 11984), (1605, 11536), (1648, 11235), (1680, 11021), (1712, 10815), (2060, 8988), (2140, 8652), (2163, 8560), (2247, 8240), (2472, 7490), (2568, 7210), (2884, 6420), (2996, 6180), (3090, 5992), (3210, 5768), (3605, 5136), (3745, 4944), (4120, 4494), (4280, 4326)]