156720165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 296964096

約数和(自身を除く): 140243931

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 103, 105, 129, 215, 301, 309, 337, 515, 645, 721, 903, 1011, 1505, 1545, 1685, 2163, 2359, 3605, 4429, 4515, 5055, 7077, 10815, 11795, 13287, 14491, 22145, 31003, 34711, 35385, 43473, 66435, 72455, 93009, 101437, 104133, 155015, 173555, 217365, 242977, 304311, 465045, 507185, 520665, 728931, 1214885, 1492573, 1521555, 3644655, 4477719, 7462865, 10448011, 22388595, 31344033, 52240055, 156720165]

約数ペア:

[(1, 156720165), (3, 52240055), (5, 31344033), (7, 22388595), (15, 10448011), (21, 7462865), (35, 4477719), (43, 3644655), (103, 1521555), (105, 1492573), (129, 1214885), (215, 728931), (301, 520665), (309, 507185), (337, 465045), (515, 304311), (645, 242977), (721, 217365), (903, 173555), (1011, 155015), (1505, 104133), (1545, 101437), (1685, 93009), (2163, 72455), (2359, 66435), (3605, 43473), (4429, 35385), (4515, 34711), (5055, 31003), (7077, 22145), (10815, 14491), (11795, 13287)]