268491210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{971}}^1$

素因数の和:1703

約数の個数: 64

約数和(自身を含む): 695640960

約数和(自身を除く): 427149750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 709, 971, 1418, 1942, 2127, 2913, 3545, 4254, 4855, 5826, 7090, 9217, 9710, 10635, 12623, 14565, 18434, 21270, 25246, 27651, 29130, 37869, 46085, 55302, 63115, 75738, 92170, 126230, 138255, 189345, 276510, 378690, 688439, 1376878, 2065317, 3442195, 4130634, 6884390, 8949707, 10326585, 17899414, 20653170, 26849121, 44748535, 53698242, 89497070, 134245605, 268491210]

約数ペア:

[(1, 268491210), (2, 134245605), (3, 89497070), (5, 53698242), (6, 44748535), (10, 26849121), (13, 20653170), (15, 17899414), (26, 10326585), (30, 8949707), (39, 6884390), (65, 4130634), (78, 3442195), (130, 2065317), (195, 1376878), (390, 688439), (709, 378690), (971, 276510), (1418, 189345), (1942, 138255), (2127, 126230), (2913, 92170), (3545, 75738), (4254, 63115), (4855, 55302), (5826, 46085), (7090, 37869), (9217, 29130), (9710, 27651), (10635, 25246), (12623, 21270), (14565, 18434)]