77565040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 120

約数和(自身を含む): 214754112

約数和(自身を除く): 137189072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 421, 470, 490, 560, 658, 752, 784, 842, 940, 980, 1316, 1645, 1684, 1880, 1960, 2105, 2303, 2632, 2947, 3290, 3368, 3760, 3920, 4210, 4606, 5264, 5894, 6580, 6736, 8420, 9212, 11515, 11788, 13160, 14735, 16840, 18424, 19787, 20629, 23030, 23576, 26320, 29470, 33680, 36848, 39574, 41258, 46060, 47152, 58940, 79148, 82516, 92120, 98935, 103145, 117880, 138509, 158296, 165032, 184240, 197870, 206290, 235760, 277018, 316592, 330064, 395740, 412580, 554036, 692545, 791480, 825160, 969563, 1108072, 1385090, 1582960, 1650320, 1939126, 2216144, 2770180, 3878252, 4847815, 5540360, 7756504, 9695630, 11080720, 15513008, 19391260, 38782520, 77565040]

約数ペア:

[(1, 77565040), (2, 38782520), (4, 19391260), (5, 15513008), (7, 11080720), (8, 9695630), (10, 7756504), (14, 5540360), (16, 4847815), (20, 3878252), (28, 2770180), (35, 2216144), (40, 1939126), (47, 1650320), (49, 1582960), (56, 1385090), (70, 1108072), (80, 969563), (94, 825160), (98, 791480), (112, 692545), (140, 554036), (188, 412580), (196, 395740), (235, 330064), (245, 316592), (280, 277018), (329, 235760), (376, 206290), (392, 197870), (421, 184240), (470, 165032), (490, 158296), (560, 138509), (658, 117880), (752, 103145), (784, 98935), (842, 92120), (940, 82516), (980, 79148), (1316, 58940), (1645, 47152), (1684, 46060), (1880, 41258), (1960, 39574), (2105, 36848), (2303, 33680), (2632, 29470), (2947, 26320), (3290, 23576), (3368, 23030), (3760, 20629), (3920, 19787), (4210, 18424), (4606, 16840), (5264, 14735), (5894, 13160), (6580, 11788), (6736, 11515), (8420, 9212)]