639072

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{317}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 2083536

約数和(自身を除く): 1444464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 317, 336, 504, 634, 672, 951, 1008, 1268, 1902, 2016, 2219, 2536, 2853, 3804, 4438, 5072, 5706, 6657, 7608, 8876, 10144, 11412, 13314, 15216, 17752, 19971, 22824, 26628, 30432, 35504, 39942, 45648, 53256, 71008, 79884, 91296, 106512, 159768, 213024, 319536, 639072]

約数ペア:

[(1, 639072), (2, 319536), (3, 213024), (4, 159768), (6, 106512), (7, 91296), (8, 79884), (9, 71008), (12, 53256), (14, 45648), (16, 39942), (18, 35504), (21, 30432), (24, 26628), (28, 22824), (32, 19971), (36, 17752), (42, 15216), (48, 13314), (56, 11412), (63, 10144), (72, 8876), (84, 7608), (96, 6657), (112, 5706), (126, 5072), (144, 4438), (168, 3804), (224, 2853), (252, 2536), (288, 2219), (317, 2016), (336, 1902), (504, 1268), (634, 1008), (672, 951)]