72279515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 117089280

約数和(自身を除く): 44809765

約数列:

[1, 5, 7, 11, 19, 35, 41, 55, 77, 95, 133, 205, 209, 241, 287, 385, 451, 665, 779, 1045, 1205, 1435, 1463, 1687, 2255, 2651, 3157, 3895, 4579, 5453, 7315, 8435, 8569, 9881, 13255, 15785, 18557, 22895, 27265, 32053, 42845, 49405, 50369, 59983, 69167, 92785, 108691, 160265, 187739, 251845, 299915, 345835, 352583, 543455, 760837, 938695, 1314173, 1762915, 2065129, 3804185, 6570865, 10325645, 14455903, 72279515]

約数ペア:

[(1, 72279515), (5, 14455903), (7, 10325645), (11, 6570865), (19, 3804185), (35, 2065129), (41, 1762915), (55, 1314173), (77, 938695), (95, 760837), (133, 543455), (205, 352583), (209, 345835), (241, 299915), (287, 251845), (385, 187739), (451, 160265), (665, 108691), (779, 92785), (1045, 69167), (1205, 59983), (1435, 50369), (1463, 49405), (1687, 42845), (2255, 32053), (2651, 27265), (3157, 22895), (3895, 18557), (4579, 15785), (5453, 13255), (7315, 9881), (8435, 8569)]