90078080

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1451}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 217712880

約数和(自身を除く): 127634800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1451, 1552, 1940, 2902, 3104, 3880, 5804, 6208, 7255, 7760, 11608, 12416, 14510, 15520, 23216, 29020, 31040, 46432, 58040, 62080, 92864, 116080, 140747, 185728, 232160, 281494, 464320, 562988, 703735, 928640, 1125976, 1407470, 2251952, 2814940, 4503904, 5629880, 9007808, 11259760, 18015616, 22519520, 45039040, 90078080]

約数ペア:

[(1, 90078080), (2, 45039040), (4, 22519520), (5, 18015616), (8, 11259760), (10, 9007808), (16, 5629880), (20, 4503904), (32, 2814940), (40, 2251952), (64, 1407470), (80, 1125976), (97, 928640), (128, 703735), (160, 562988), (194, 464320), (320, 281494), (388, 232160), (485, 185728), (640, 140747), (776, 116080), (970, 92864), (1451, 62080), (1552, 58040), (1940, 46432), (2902, 31040), (3104, 29020), (3880, 23216), (5804, 15520), (6208, 14510), (7255, 12416), (7760, 11608)]