16889640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1451}}^1$

素因数の和:1562

約数の個数: 64

約数和(自身を含む): 51226560

約数和(自身を除く): 34336920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1451, 1455, 1940, 2328, 2902, 2910, 3880, 4353, 5804, 5820, 7255, 8706, 11608, 11640, 14510, 17412, 21765, 29020, 34824, 43530, 58040, 87060, 140747, 174120, 281494, 422241, 562988, 703735, 844482, 1125976, 1407470, 1688964, 2111205, 2814940, 3377928, 4222410, 5629880, 8444820, 16889640]

約数ペア:

[(1, 16889640), (2, 8444820), (3, 5629880), (4, 4222410), (5, 3377928), (6, 2814940), (8, 2111205), (10, 1688964), (12, 1407470), (15, 1125976), (20, 844482), (24, 703735), (30, 562988), (40, 422241), (60, 281494), (97, 174120), (120, 140747), (194, 87060), (291, 58040), (388, 43530), (485, 34824), (582, 29020), (776, 21765), (970, 17412), (1164, 14510), (1451, 11640), (1455, 11608), (1940, 8706), (2328, 7255), (2902, 5820), (2910, 5804), (3880, 4353)]