18078080

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 44210880

約数和(自身を除く): 26132800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 601, 640, 752, 940, 1202, 1504, 1880, 2404, 3005, 3008, 3760, 4808, 6010, 6016, 7520, 9616, 12020, 15040, 19232, 24040, 28247, 30080, 38464, 48080, 56494, 76928, 96160, 112988, 141235, 192320, 225976, 282470, 384640, 451952, 564940, 903904, 1129880, 1807808, 2259760, 3615616, 4519520, 9039040, 18078080]

約数ペア:

[(1, 18078080), (2, 9039040), (4, 4519520), (5, 3615616), (8, 2259760), (10, 1807808), (16, 1129880), (20, 903904), (32, 564940), (40, 451952), (47, 384640), (64, 282470), (80, 225976), (94, 192320), (128, 141235), (160, 112988), (188, 96160), (235, 76928), (320, 56494), (376, 48080), (470, 38464), (601, 30080), (640, 28247), (752, 24040), (940, 19232), (1202, 15040), (1504, 12020), (1880, 9616), (2404, 7520), (3005, 6016), (3008, 6010), (3760, 4808)]