280165120

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4657}}^1$

素因数の和:4725

約数の個数: 72

約数和(自身を含む): 685508544

約数和(自身を除く): 405343424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1280, 1504, 1880, 3008, 3760, 4657, 6016, 7520, 9314, 12032, 15040, 18628, 23285, 30080, 37256, 46570, 60160, 74512, 93140, 149024, 186280, 218879, 298048, 372560, 437758, 596096, 745120, 875516, 1094395, 1192192, 1490240, 1751032, 2188790, 2980480, 3502064, 4377580, 5960960, 7004128, 8755160, 14008256, 17510320, 28016512, 35020640, 56033024, 70041280, 140082560, 280165120]

約数ペア:

[(1, 280165120), (2, 140082560), (4, 70041280), (5, 56033024), (8, 35020640), (10, 28016512), (16, 17510320), (20, 14008256), (32, 8755160), (40, 7004128), (47, 5960960), (64, 4377580), (80, 3502064), (94, 2980480), (128, 2188790), (160, 1751032), (188, 1490240), (235, 1192192), (256, 1094395), (320, 875516), (376, 745120), (470, 596096), (640, 437758), (752, 372560), (940, 298048), (1280, 218879), (1504, 186280), (1880, 149024), (3008, 93140), (3760, 74512), (4657, 60160), (6016, 46570), (7520, 37256), (9314, 30080), (12032, 23285), (15040, 18628)]