257031120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{10009}}^1$

素因数の和:10132

約数の個数: 80

約数和(自身を含む): 804323520

約数和(自身を除く): 547292400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3210, 4280, 5136, 6420, 8560, 10009, 12840, 20018, 25680, 30027, 40036, 50045, 60054, 80072, 100090, 120108, 150135, 160144, 200180, 240216, 300270, 400360, 480432, 600540, 800720, 1070963, 1201080, 2141926, 2402160, 3212889, 4283852, 5354815, 6425778, 8567704, 10709630, 12851556, 16064445, 17135408, 21419260, 25703112, 32128890, 42838520, 51406224, 64257780, 85677040, 128515560, 257031120]

約数ペア:

[(1, 257031120), (2, 128515560), (3, 85677040), (4, 64257780), (5, 51406224), (6, 42838520), (8, 32128890), (10, 25703112), (12, 21419260), (15, 17135408), (16, 16064445), (20, 12851556), (24, 10709630), (30, 8567704), (40, 6425778), (48, 5354815), (60, 4283852), (80, 3212889), (107, 2402160), (120, 2141926), (214, 1201080), (240, 1070963), (321, 800720), (428, 600540), (535, 480432), (642, 400360), (856, 300270), (1070, 240216), (1284, 200180), (1605, 160144), (1712, 150135), (2140, 120108), (2568, 100090), (3210, 80072), (4280, 60054), (5136, 50045), (6420, 40036), (8560, 30027), (10009, 25680), (12840, 20018)]