215538560

素因数分解:

$2^7\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1097}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 517421520

約数和(自身を除く): 301882960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 307, 320, 614, 640, 1097, 1228, 1535, 2194, 2456, 3070, 4388, 4912, 5485, 6140, 8776, 9824, 10970, 12280, 17552, 19648, 21940, 24560, 35104, 39296, 43880, 49120, 70208, 87760, 98240, 140416, 175520, 196480, 336779, 351040, 673558, 702080, 1347116, 1683895, 2694232, 3367790, 5388464, 6735580, 10776928, 13471160, 21553856, 26942320, 43107712, 53884640, 107769280, 215538560]

約数ペア:

[(1, 215538560), (2, 107769280), (4, 53884640), (5, 43107712), (8, 26942320), (10, 21553856), (16, 13471160), (20, 10776928), (32, 6735580), (40, 5388464), (64, 3367790), (80, 2694232), (128, 1683895), (160, 1347116), (307, 702080), (320, 673558), (614, 351040), (640, 336779), (1097, 196480), (1228, 175520), (1535, 140416), (2194, 98240), (2456, 87760), (3070, 70208), (4388, 49120), (4912, 43880), (5485, 39296), (6140, 35104), (8776, 24560), (9824, 21940), (10970, 19648), (12280, 17552)]