15969340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 35481600

約数和(自身を除く): 19512260

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 599, 620, 860, 1198, 1333, 2396, 2666, 2995, 5332, 5990, 6665, 11980, 13330, 18569, 25757, 26660, 37138, 51514, 74276, 92845, 103028, 128785, 185690, 257570, 371380, 515140, 798467, 1596934, 3193868, 3992335, 7984670, 15969340]

約数ペア:

[(1, 15969340), (2, 7984670), (4, 3992335), (5, 3193868), (10, 1596934), (20, 798467), (31, 515140), (43, 371380), (62, 257570), (86, 185690), (124, 128785), (155, 103028), (172, 92845), (215, 74276), (310, 51514), (430, 37138), (599, 26660), (620, 25757), (860, 18569), (1198, 13330), (1333, 11980), (2396, 6665), (2666, 5990), (2995, 5332)]