13445320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1598

約数の個数: 64

約数和(自身を含む): 35712000

約数和(自身を除く): 22266680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1549, 1736, 2170, 3098, 4340, 6196, 7745, 8680, 10843, 12392, 15490, 21686, 30980, 43372, 48019, 54215, 61960, 86744, 96038, 108430, 192076, 216860, 240095, 336133, 384152, 433720, 480190, 672266, 960380, 1344532, 1680665, 1920760, 2689064, 3361330, 6722660, 13445320]

約数ペア:

[(1, 13445320), (2, 6722660), (4, 3361330), (5, 2689064), (7, 1920760), (8, 1680665), (10, 1344532), (14, 960380), (20, 672266), (28, 480190), (31, 433720), (35, 384152), (40, 336133), (56, 240095), (62, 216860), (70, 192076), (124, 108430), (140, 96038), (155, 86744), (217, 61960), (248, 54215), (280, 48019), (310, 43372), (434, 30980), (620, 21686), (868, 15490), (1085, 12392), (1240, 10843), (1549, 8680), (1736, 7745), (2170, 6196), (3098, 4340)]