153908120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54193}}^1$

素因数の和:54275

約数の個数: 32

約数和(自身を含む): 351177120

約数和(自身を除く): 197269000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 54193, 108386, 216772, 270965, 433544, 541930, 1083860, 2167720, 3847703, 7695406, 15390812, 19238515, 30781624, 38477030, 76954060, 153908120]

約数ペア:

[(1, 153908120), (2, 76954060), (4, 38477030), (5, 30781624), (8, 19238515), (10, 15390812), (20, 7695406), (40, 3847703), (71, 2167720), (142, 1083860), (284, 541930), (355, 433544), (568, 270965), (710, 216772), (1420, 108386), (2840, 54193)]