1320340000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{9431}}^1$

素因数の和:9468

約数の個数: 120

約数和(自身を含む): 3712661568

約数和(自身を除く): 2392321568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1750, 2000, 2500, 2800, 3500, 4000, 4375, 5000, 5600, 7000, 8750, 9431, 10000, 14000, 17500, 18862, 20000, 28000, 35000, 37724, 47155, 66017, 70000, 75448, 94310, 132034, 140000, 150896, 188620, 235775, 264068, 301792, 330085, 377240, 471550, 528136, 660170, 754480, 943100, 1056272, 1178875, 1320340, 1508960, 1650425, 1886200, 2112544, 2357750, 2640680, 3300850, 3772400, 4715500, 5281360, 5894375, 6601700, 7544800, 8252125, 9431000, 10562720, 11788750, 13203400, 16504250, 18862000, 23577500, 26406800, 33008500, 37724000, 41260625, 47155000, 52813600, 66017000, 82521250, 94310000, 132034000, 165042500, 188620000, 264068000, 330085000, 660170000, 1320340000]

約数ペア:

[(1, 1320340000), (2, 660170000), (4, 330085000), (5, 264068000), (7, 188620000), (8, 165042500), (10, 132034000), (14, 94310000), (16, 82521250), (20, 66017000), (25, 52813600), (28, 47155000), (32, 41260625), (35, 37724000), (40, 33008500), (50, 26406800), (56, 23577500), (70, 18862000), (80, 16504250), (100, 13203400), (112, 11788750), (125, 10562720), (140, 9431000), (160, 8252125), (175, 7544800), (200, 6601700), (224, 5894375), (250, 5281360), (280, 4715500), (350, 3772400), (400, 3300850), (500, 2640680), (560, 2357750), (625, 2112544), (700, 1886200), (800, 1650425), (875, 1508960), (1000, 1320340), (1120, 1178875), (1250, 1056272), (1400, 943100), (1750, 754480), (2000, 660170), (2500, 528136), (2800, 471550), (3500, 377240), (4000, 330085), (4375, 301792), (5000, 264068), (5600, 235775), (7000, 188620), (8750, 150896), (9431, 140000), (10000, 132034), (14000, 94310), (17500, 75448), (18862, 70000), (20000, 66017), (28000, 47155), (35000, 37724)]