21705000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1447}}^1$

素因数の和:1476

約数の個数: 80

約数和(自身を含む): 67853280

約数和(自身を除く): 46148280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1447, 1500, 1875, 2500, 2894, 3000, 3750, 4341, 5000, 5788, 7235, 7500, 8682, 11576, 14470, 15000, 17364, 21705, 28940, 34728, 36175, 43410, 57880, 72350, 86820, 108525, 144700, 173640, 180875, 217050, 289400, 361750, 434100, 542625, 723500, 868200, 904375, 1085250, 1447000, 1808750, 2170500, 2713125, 3617500, 4341000, 5426250, 7235000, 10852500, 21705000]

約数ペア:

[(1, 21705000), (2, 10852500), (3, 7235000), (4, 5426250), (5, 4341000), (6, 3617500), (8, 2713125), (10, 2170500), (12, 1808750), (15, 1447000), (20, 1085250), (24, 904375), (25, 868200), (30, 723500), (40, 542625), (50, 434100), (60, 361750), (75, 289400), (100, 217050), (120, 180875), (125, 173640), (150, 144700), (200, 108525), (250, 86820), (300, 72350), (375, 57880), (500, 43410), (600, 36175), (625, 34728), (750, 28940), (1000, 21705), (1250, 17364), (1447, 15000), (1500, 14470), (1875, 11576), (2500, 8682), (2894, 7500), (3000, 7235), (3750, 5788), (4341, 5000)]