321637120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{35897}}^1$

素因数の和:35925

約数の個数: 72

約数和(自身を含む): 880506144

約数和(自身を除く): 558869024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 35897, 71794, 143588, 179485, 251279, 287176, 358970, 502558, 574352, 717940, 1005116, 1148704, 1256395, 1435880, 2010232, 2297408, 2512790, 2871760, 4020464, 4594816, 5025580, 5743520, 8040928, 9189632, 10051160, 11487040, 16081856, 20102320, 22974080, 32163712, 40204640, 45948160, 64327424, 80409280, 160818560, 321637120]

約数ペア:

[(1, 321637120), (2, 160818560), (4, 80409280), (5, 64327424), (7, 45948160), (8, 40204640), (10, 32163712), (14, 22974080), (16, 20102320), (20, 16081856), (28, 11487040), (32, 10051160), (35, 9189632), (40, 8040928), (56, 5743520), (64, 5025580), (70, 4594816), (80, 4020464), (112, 2871760), (128, 2512790), (140, 2297408), (160, 2010232), (224, 1435880), (256, 1256395), (280, 1148704), (320, 1005116), (448, 717940), (560, 574352), (640, 502558), (896, 358970), (1120, 287176), (1280, 251279), (1792, 179485), (2240, 143588), (4480, 71794), (8960, 35897)]