278121312

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{137957}}^1$

素因数の和:137980

約数の個数: 72

約数和(自身を含む): 903900816

約数和(自身を除く): 625779504

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, 336, 504, 672, 1008, 2016, 137957, 275914, 413871, 551828, 827742, 965699, 1103656, 1241613, 1655484, 1931398, 2207312, 2483226, 2897097, 3310968, 3862796, 4414624, 4966452, 5794194, 6621936, 7725592, 8691291, 9932904, 11588388, 13243872, 15451184, 17382582, 19865808, 23176776, 30902368, 34765164, 39731616, 46353552, 69530328, 92707104, 139060656, 278121312]

約数ペア:

[(1, 278121312), (2, 139060656), (3, 92707104), (4, 69530328), (6, 46353552), (7, 39731616), (8, 34765164), (9, 30902368), (12, 23176776), (14, 19865808), (16, 17382582), (18, 15451184), (21, 13243872), (24, 11588388), (28, 9932904), (32, 8691291), (36, 7725592), (42, 6621936), (48, 5794194), (56, 4966452), (63, 4414624), (72, 3862796), (84, 3310968), (96, 2897097), (112, 2483226), (126, 2207312), (144, 1931398), (168, 1655484), (224, 1241613), (252, 1103656), (288, 965699), (336, 827742), (504, 551828), (672, 413871), (1008, 275914), (2016, 137957)]