61973320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 144270720

約数和(自身を除く): 82297400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 263, 274, 344, 430, 526, 548, 685, 860, 1052, 1096, 1315, 1370, 1720, 2104, 2630, 2740, 5260, 5480, 5891, 10520, 11309, 11782, 22618, 23564, 29455, 36031, 45236, 47128, 56545, 58910, 72062, 90472, 113090, 117820, 144124, 180155, 226180, 235640, 288248, 360310, 452360, 720620, 1441240, 1549333, 3098666, 6197332, 7746665, 12394664, 15493330, 30986660, 61973320]

約数ペア:

[(1, 61973320), (2, 30986660), (4, 15493330), (5, 12394664), (8, 7746665), (10, 6197332), (20, 3098666), (40, 1549333), (43, 1441240), (86, 720620), (137, 452360), (172, 360310), (215, 288248), (263, 235640), (274, 226180), (344, 180155), (430, 144124), (526, 117820), (548, 113090), (685, 90472), (860, 72062), (1052, 58910), (1096, 56545), (1315, 47128), (1370, 45236), (1720, 36031), (2104, 29455), (2630, 23564), (2740, 22618), (5260, 11782), (5480, 11309), (5891, 10520)]