65180775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 123063552

約数和(自身を除く): 57882777

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 47, 55, 75, 123, 141, 165, 205, 235, 275, 451, 517, 615, 705, 825, 1025, 1175, 1353, 1551, 1681, 1927, 2255, 2585, 3075, 3525, 5043, 5781, 6765, 7755, 8405, 9635, 11275, 12925, 18491, 21197, 25215, 28905, 33825, 38775, 42025, 48175, 55473, 63591, 79007, 92455, 105985, 126075, 144525, 237021, 277365, 317955, 395035, 462275, 529925, 869077, 1185105, 1386825, 1589775, 1975175, 2607231, 4345385, 5925525, 13036155, 21726925, 65180775]

約数ペア:

[(1, 65180775), (3, 21726925), (5, 13036155), (11, 5925525), (15, 4345385), (25, 2607231), (33, 1975175), (41, 1589775), (47, 1386825), (55, 1185105), (75, 869077), (123, 529925), (141, 462275), (165, 395035), (205, 317955), (235, 277365), (275, 237021), (451, 144525), (517, 126075), (615, 105985), (705, 92455), (825, 79007), (1025, 63591), (1175, 55473), (1353, 48175), (1551, 42025), (1681, 38775), (1927, 33825), (2255, 28905), (2585, 25215), (3075, 21197), (3525, 18491), (5043, 12925), (5781, 11275), (6765, 9635), (7755, 8405)]