18511440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 57907008

約数和(自身を除く): 39395568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 563, 685, 822, 1096, 1126, 1370, 1644, 1689, 2055, 2192, 2252, 2740, 2815, 3288, 3378, 4110, 4504, 5480, 5630, 6576, 6756, 8220, 8445, 9008, 10960, 11260, 13512, 16440, 16890, 22520, 27024, 32880, 33780, 45040, 67560, 77131, 135120, 154262, 231393, 308524, 385655, 462786, 617048, 771310, 925572, 1156965, 1234096, 1542620, 1851144, 2313930, 3085240, 3702288, 4627860, 6170480, 9255720, 18511440]

約数ペア:

[(1, 18511440), (2, 9255720), (3, 6170480), (4, 4627860), (5, 3702288), (6, 3085240), (8, 2313930), (10, 1851144), (12, 1542620), (15, 1234096), (16, 1156965), (20, 925572), (24, 771310), (30, 617048), (40, 462786), (48, 385655), (60, 308524), (80, 231393), (120, 154262), (137, 135120), (240, 77131), (274, 67560), (411, 45040), (548, 33780), (563, 32880), (685, 27024), (822, 22520), (1096, 16890), (1126, 16440), (1370, 13512), (1644, 11260), (1689, 10960), (2055, 9008), (2192, 8445), (2252, 8220), (2740, 6756), (2815, 6576), (3288, 5630), (3378, 5480), (4110, 4504)]