18240840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2243

約数の個数: 96

約数和(自身を含む): 61888320

約数和(自身を除く): 43647480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2203, 2760, 4140, 4406, 6609, 8280, 8812, 11015, 13218, 17624, 19827, 22030, 26436, 33045, 39654, 44060, 50669, 52872, 66090, 79308, 88120, 99135, 101338, 132180, 152007, 158616, 198270, 202676, 253345, 264360, 304014, 396540, 405352, 456021, 506690, 608028, 760035, 793080, 912042, 1013380, 1216056, 1520070, 1824084, 2026760, 2280105, 3040140, 3648168, 4560210, 6080280, 9120420, 18240840]

約数ペア:

[(1, 18240840), (2, 9120420), (3, 6080280), (4, 4560210), (5, 3648168), (6, 3040140), (8, 2280105), (9, 2026760), (10, 1824084), (12, 1520070), (15, 1216056), (18, 1013380), (20, 912042), (23, 793080), (24, 760035), (30, 608028), (36, 506690), (40, 456021), (45, 405352), (46, 396540), (60, 304014), (69, 264360), (72, 253345), (90, 202676), (92, 198270), (115, 158616), (120, 152007), (138, 132180), (180, 101338), (184, 99135), (207, 88120), (230, 79308), (276, 66090), (345, 52872), (360, 50669), (414, 44060), (460, 39654), (552, 33045), (690, 26436), (828, 22030), (920, 19827), (1035, 17624), (1380, 13218), (1656, 11015), (2070, 8812), (2203, 8280), (2760, 6609), (4140, 4406)]