66900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 153585888

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, 223, 240, 250, 300, 375, 400, 446, 480, 500, 600, 625, 669, 750, 800, 892, 1000, 1115, 1200, 1250, 1338, 1500, 1784, 1875, 2000, 2230, 2400, 2500, 2676, 3000, 3125, 3345, 3568, 3750, 4000, 4460, 5000, 5352, 5575, 6000, 6250, 6690, 7136, 7500, 8920, 9375, 10000, 10704, 11150, 12000, 12500, 13380, 15000, 16725, 17840, 18750, 20000, 21408, 22300, 25000, 26760, 27875, 30000, 33450, 35680, 37500, 44600, 50000, 53520, 55750, 60000, 66900, 75000, 83625, 89200, 100000, 107040, 111500, 133800, 139375, 150000, 167250, 178400, 223000, 267600, 278750, 300000, 334500, 418125, 446000, 535200, 557500, 669000, 696875, 836250, 892000, 1115000, 1338000, 1393750, 1672500, 2090625, 2230000, 2676000, 2787500, 3345000, 4181250, 4460000, 5575000, 6690000, 8362500, 11150000, 13380000, 16725000, 22300000, 33450000, 66900000]

約数ペア:

[(1, 66900000), (2, 33450000), (3, 22300000), (4, 16725000), (5, 13380000), (6, 11150000), (8, 8362500), (10, 6690000), (12, 5575000), (15, 4460000), (16, 4181250), (20, 3345000), (24, 2787500), (25, 2676000), (30, 2230000), (32, 2090625), (40, 1672500), (48, 1393750), (50, 1338000), (60, 1115000), (75, 892000), (80, 836250), (96, 696875), (100, 669000), (120, 557500), (125, 535200), (150, 446000), (160, 418125), (200, 334500), (223, 300000), (240, 278750), (250, 267600), (300, 223000), (375, 178400), (400, 167250), (446, 150000), (480, 139375), (500, 133800), (600, 111500), (625, 107040), (669, 100000), (750, 89200), (800, 83625), (892, 75000), (1000, 66900), (1115, 60000), (1200, 55750), (1250, 53520), (1338, 50000), (1500, 44600), (1784, 37500), (1875, 35680), (2000, 33450), (2230, 30000), (2400, 27875), (2500, 26760), (2676, 25000), (3000, 22300), (3125, 21408), (3345, 20000), (3568, 18750), (3750, 17840), (4000, 16725), (4460, 15000), (5000, 13380), (5352, 12500), (5575, 12000), (6000, 11150), (6250, 10704), (6690, 10000), (7136, 9375), (7500, 8920)]