278709408

素因数分解:

$2^5\times 3^2\times {\mathrm{271}}^1\times {\mathrm{3571}}^1$

素因数の和:3858

約数の個数: 72

約数和(自身を含む): 795727296

約数和(自身を除く): 517017888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 271, 288, 542, 813, 1084, 1626, 2168, 2439, 3252, 3571, 4336, 4878, 6504, 7142, 8672, 9756, 10713, 13008, 14284, 19512, 21426, 26016, 28568, 32139, 39024, 42852, 57136, 64278, 78048, 85704, 114272, 128556, 171408, 257112, 342816, 514224, 967741, 1028448, 1935482, 2903223, 3870964, 5806446, 7741928, 8709669, 11612892, 15483856, 17419338, 23225784, 30967712, 34838676, 46451568, 69677352, 92903136, 139354704, 278709408]

約数ペア:

[(1, 278709408), (2, 139354704), (3, 92903136), (4, 69677352), (6, 46451568), (8, 34838676), (9, 30967712), (12, 23225784), (16, 17419338), (18, 15483856), (24, 11612892), (32, 8709669), (36, 7741928), (48, 5806446), (72, 3870964), (96, 2903223), (144, 1935482), (271, 1028448), (288, 967741), (542, 514224), (813, 342816), (1084, 257112), (1626, 171408), (2168, 128556), (2439, 114272), (3252, 85704), (3571, 78048), (4336, 64278), (4878, 57136), (6504, 42852), (7142, 39024), (8672, 32139), (9756, 28568), (10713, 26016), (13008, 21426), (14284, 19512)]