218148560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16937}}^1$

素因数の和:16980

約数の個数: 80

約数和(自身を含む): 604889856

約数和(自身を除く): 386741296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 16937, 33874, 67748, 84685, 118559, 135496, 169370, 237118, 270992, 338740, 389551, 474236, 592795, 677480, 779102, 948472, 1185590, 1354960, 1558204, 1896944, 1947755, 2371180, 2726857, 3116408, 3895510, 4742360, 5453714, 6232816, 7791020, 9484720, 10907428, 13634285, 15582040, 21814856, 27268570, 31164080, 43629712, 54537140, 109074280, 218148560]

約数ペア:

[(1, 218148560), (2, 109074280), (4, 54537140), (5, 43629712), (7, 31164080), (8, 27268570), (10, 21814856), (14, 15582040), (16, 13634285), (20, 10907428), (23, 9484720), (28, 7791020), (35, 6232816), (40, 5453714), (46, 4742360), (56, 3895510), (70, 3116408), (80, 2726857), (92, 2371180), (112, 1947755), (115, 1896944), (140, 1558204), (161, 1354960), (184, 1185590), (230, 948472), (280, 779102), (322, 677480), (368, 592795), (460, 474236), (560, 389551), (644, 338740), (805, 270992), (920, 237118), (1288, 169370), (1610, 135496), (1840, 118559), (2576, 84685), (3220, 67748), (6440, 33874), (12880, 16937)]