71319680

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2437

約数の個数: 64

約数和(自身を含む): 174199680

約数和(自身を除く): 102880000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2371, 3008, 3760, 4742, 6016, 7520, 9484, 11855, 15040, 18968, 23710, 30080, 37936, 47420, 75872, 94840, 111437, 151744, 189680, 222874, 303488, 379360, 445748, 557185, 758720, 891496, 1114370, 1517440, 1782992, 2228740, 3565984, 4457480, 7131968, 8914960, 14263936, 17829920, 35659840, 71319680]

約数ペア:

[(1, 71319680), (2, 35659840), (4, 17829920), (5, 14263936), (8, 8914960), (10, 7131968), (16, 4457480), (20, 3565984), (32, 2228740), (40, 1782992), (47, 1517440), (64, 1114370), (80, 891496), (94, 758720), (128, 557185), (160, 445748), (188, 379360), (235, 303488), (320, 222874), (376, 189680), (470, 151744), (640, 111437), (752, 94840), (940, 75872), (1504, 47420), (1880, 37936), (2371, 30080), (3008, 23710), (3760, 18968), (4742, 15040), (6016, 11855), (7520, 9484)]