11985280

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 29216880

約数和(自身を除く): 17231600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 307, 320, 488, 610, 614, 640, 976, 1220, 1228, 1535, 1952, 2440, 2456, 3070, 3904, 4880, 4912, 6140, 7808, 9760, 9824, 12280, 18727, 19520, 19648, 24560, 37454, 39040, 39296, 49120, 74908, 93635, 98240, 149816, 187270, 196480, 299632, 374540, 599264, 749080, 1198528, 1498160, 2397056, 2996320, 5992640, 11985280]

約数ペア:

[(1, 11985280), (2, 5992640), (4, 2996320), (5, 2397056), (8, 1498160), (10, 1198528), (16, 749080), (20, 599264), (32, 374540), (40, 299632), (61, 196480), (64, 187270), (80, 149816), (122, 98240), (128, 93635), (160, 74908), (244, 49120), (305, 39296), (307, 39040), (320, 37454), (488, 24560), (610, 19648), (614, 19520), (640, 18727), (976, 12280), (1220, 9824), (1228, 9760), (1535, 7808), (1952, 6140), (2440, 4912), (2456, 4880), (3070, 3904)]