15682040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 39852000

約数和(自身を除く): 24169960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1229, 1276, 1595, 2458, 2552, 3190, 4916, 6145, 6380, 9832, 12290, 12760, 13519, 24580, 27038, 35641, 49160, 54076, 67595, 71282, 108152, 135190, 142564, 178205, 270380, 285128, 356410, 392051, 540760, 712820, 784102, 1425640, 1568204, 1960255, 3136408, 3920510, 7841020, 15682040]

約数ペア:

[(1, 15682040), (2, 7841020), (4, 3920510), (5, 3136408), (8, 1960255), (10, 1568204), (11, 1425640), (20, 784102), (22, 712820), (29, 540760), (40, 392051), (44, 356410), (55, 285128), (58, 270380), (88, 178205), (110, 142564), (116, 135190), (145, 108152), (220, 71282), (232, 67595), (290, 54076), (319, 49160), (440, 35641), (580, 27038), (638, 24580), (1160, 13519), (1229, 12760), (1276, 12290), (1595, 9832), (2458, 6380), (2552, 6145), (3190, 4916)]