27750000

素因数分解:

$2^4\times 3^1\times 5^6\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 140

約数和(自身を含む): 92030072

約数和(自身を除く): 64280072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 125, 148, 150, 185, 200, 222, 240, 250, 296, 300, 370, 375, 400, 444, 500, 555, 592, 600, 625, 740, 750, 888, 925, 1000, 1110, 1200, 1250, 1480, 1500, 1776, 1850, 1875, 2000, 2220, 2500, 2775, 2960, 3000, 3125, 3700, 3750, 4440, 4625, 5000, 5550, 6000, 6250, 7400, 7500, 8880, 9250, 9375, 10000, 11100, 12500, 13875, 14800, 15000, 15625, 18500, 18750, 22200, 23125, 25000, 27750, 30000, 31250, 37000, 37500, 44400, 46250, 46875, 50000, 55500, 62500, 69375, 74000, 75000, 92500, 93750, 111000, 115625, 125000, 138750, 150000, 185000, 187500, 222000, 231250, 250000, 277500, 346875, 370000, 375000, 462500, 555000, 578125, 693750, 750000, 925000, 1110000, 1156250, 1387500, 1734375, 1850000, 2312500, 2775000, 3468750, 4625000, 5550000, 6937500, 9250000, 13875000, 27750000]

約数ペア:

[(1, 27750000), (2, 13875000), (3, 9250000), (4, 6937500), (5, 5550000), (6, 4625000), (8, 3468750), (10, 2775000), (12, 2312500), (15, 1850000), (16, 1734375), (20, 1387500), (24, 1156250), (25, 1110000), (30, 925000), (37, 750000), (40, 693750), (48, 578125), (50, 555000), (60, 462500), (74, 375000), (75, 370000), (80, 346875), (100, 277500), (111, 250000), (120, 231250), (125, 222000), (148, 187500), (150, 185000), (185, 150000), (200, 138750), (222, 125000), (240, 115625), (250, 111000), (296, 93750), (300, 92500), (370, 75000), (375, 74000), (400, 69375), (444, 62500), (500, 55500), (555, 50000), (592, 46875), (600, 46250), (625, 44400), (740, 37500), (750, 37000), (888, 31250), (925, 30000), (1000, 27750), (1110, 25000), (1200, 23125), (1250, 22200), (1480, 18750), (1500, 18500), (1776, 15625), (1850, 15000), (1875, 14800), (2000, 13875), (2220, 12500), (2500, 11100), (2775, 10000), (2960, 9375), (3000, 9250), (3125, 8880), (3700, 7500), (3750, 7400), (4440, 6250), (4625, 6000), (5000, 5550)]