128220000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{2137}}^1$

素因数の和:2170

約数の個数: 120

約数和(自身を含む): 420784056

約数和(自身を除く): 292564056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2137, 2400, 2500, 3000, 3750, 4000, 4274, 5000, 6000, 6411, 7500, 8548, 10000, 10685, 12000, 12822, 15000, 17096, 20000, 21370, 25644, 30000, 32055, 34192, 42740, 51288, 53425, 60000, 64110, 68384, 85480, 102576, 106850, 128220, 160275, 170960, 205152, 213700, 256440, 267125, 320550, 341920, 427400, 512880, 534250, 641100, 801375, 854800, 1025760, 1068500, 1282200, 1335625, 1602750, 1709600, 2137000, 2564400, 2671250, 3205500, 4006875, 4274000, 5128800, 5342500, 6411000, 8013750, 8548000, 10685000, 12822000, 16027500, 21370000, 25644000, 32055000, 42740000, 64110000, 128220000]

約数ペア:

[(1, 128220000), (2, 64110000), (3, 42740000), (4, 32055000), (5, 25644000), (6, 21370000), (8, 16027500), (10, 12822000), (12, 10685000), (15, 8548000), (16, 8013750), (20, 6411000), (24, 5342500), (25, 5128800), (30, 4274000), (32, 4006875), (40, 3205500), (48, 2671250), (50, 2564400), (60, 2137000), (75, 1709600), (80, 1602750), (96, 1335625), (100, 1282200), (120, 1068500), (125, 1025760), (150, 854800), (160, 801375), (200, 641100), (240, 534250), (250, 512880), (300, 427400), (375, 341920), (400, 320550), (480, 267125), (500, 256440), (600, 213700), (625, 205152), (750, 170960), (800, 160275), (1000, 128220), (1200, 106850), (1250, 102576), (1500, 85480), (1875, 68384), (2000, 64110), (2137, 60000), (2400, 53425), (2500, 51288), (3000, 42740), (3750, 34192), (4000, 32055), (4274, 30000), (5000, 25644), (6000, 21370), (6411, 20000), (7500, 17096), (8548, 15000), (10000, 12822), (10685, 12000)]