256560570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{8311}}^1$

素因数の和:8345

約数の個数: 96

約数和(自身を含む): 778003200

約数和(自身を除く): 521442630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 630, 686, 735, 882, 1029, 1470, 1715, 2058, 2205, 3087, 3430, 4410, 5145, 6174, 8311, 10290, 15435, 16622, 24933, 30870, 41555, 49866, 58177, 74799, 83110, 116354, 124665, 149598, 174531, 249330, 290885, 349062, 373995, 407239, 523593, 581770, 747990, 814478, 872655, 1047186, 1221717, 1745310, 2036195, 2443434, 2617965, 2850673, 3665151, 4072390, 5235930, 5701346, 6108585, 7330302, 8552019, 12217170, 14253365, 17104038, 18325755, 25656057, 28506730, 36651510, 42760095, 51312114, 85520190, 128280285, 256560570]

約数ペア:

[(1, 256560570), (2, 128280285), (3, 85520190), (5, 51312114), (6, 42760095), (7, 36651510), (9, 28506730), (10, 25656057), (14, 18325755), (15, 17104038), (18, 14253365), (21, 12217170), (30, 8552019), (35, 7330302), (42, 6108585), (45, 5701346), (49, 5235930), (63, 4072390), (70, 3665151), (90, 2850673), (98, 2617965), (105, 2443434), (126, 2036195), (147, 1745310), (210, 1221717), (245, 1047186), (294, 872655), (315, 814478), (343, 747990), (441, 581770), (490, 523593), (630, 407239), (686, 373995), (735, 349062), (882, 290885), (1029, 249330), (1470, 174531), (1715, 149598), (2058, 124665), (2205, 116354), (3087, 83110), (3430, 74799), (4410, 58177), (5145, 49866), (6174, 41555), (8311, 30870), (10290, 24933), (15435, 16622)]