2040885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 4792320

約数和(自身を除く): 2751435

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 31, 33, 35, 45, 55, 57, 63, 77, 93, 95, 99, 105, 133, 155, 165, 171, 209, 217, 231, 279, 285, 315, 341, 385, 399, 465, 495, 589, 627, 651, 665, 693, 855, 1023, 1045, 1085, 1155, 1197, 1395, 1463, 1705, 1767, 1881, 1953, 1995, 2387, 2945, 3069, 3135, 3255, 3465, 4123, 4389, 5115, 5301, 5985, 6479, 7161, 7315, 8835, 9405, 9765, 11935, 12369, 13167, 15345, 19437, 20615, 21483, 21945, 26505, 32395, 35805, 37107, 45353, 58311, 61845, 65835, 97185, 107415, 136059, 185535, 226765, 291555, 408177, 680295, 2040885]

約数ペア:

[(1, 2040885), (3, 680295), (5, 408177), (7, 291555), (9, 226765), (11, 185535), (15, 136059), (19, 107415), (21, 97185), (31, 65835), (33, 61845), (35, 58311), (45, 45353), (55, 37107), (57, 35805), (63, 32395), (77, 26505), (93, 21945), (95, 21483), (99, 20615), (105, 19437), (133, 15345), (155, 13167), (165, 12369), (171, 11935), (209, 9765), (217, 9405), (231, 8835), (279, 7315), (285, 7161), (315, 6479), (341, 5985), (385, 5301), (399, 5115), (465, 4389), (495, 4123), (589, 3465), (627, 3255), (651, 3135), (665, 3069), (693, 2945), (855, 2387), (1023, 1995), (1045, 1953), (1085, 1881), (1155, 1767), (1197, 1705), (1395, 1463)]