1277120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:337

約数の個数: 56

約数和(自身を含む): 3285744

約数和(自身を除く): 2008624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 307, 320, 416, 520, 614, 832, 1040, 1228, 1535, 2080, 2456, 3070, 3991, 4160, 4912, 6140, 7982, 9824, 12280, 15964, 19648, 19955, 24560, 31928, 39910, 49120, 63856, 79820, 98240, 127712, 159640, 255424, 319280, 638560, 1277120]

約数ペア:

[(1, 1277120), (2, 638560), (4, 319280), (5, 255424), (8, 159640), (10, 127712), (13, 98240), (16, 79820), (20, 63856), (26, 49120), (32, 39910), (40, 31928), (52, 24560), (64, 19955), (65, 19648), (80, 15964), (104, 12280), (130, 9824), (160, 7982), (208, 6140), (260, 4912), (307, 4160), (320, 3991), (416, 3070), (520, 2456), (614, 2080), (832, 1535), (1040, 1228)]