681900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{2273}}^1$

素因数の和:2311

約数の個数: 144

約数和(自身を含む): 2238325488

約数和(自身を除く): 1556425488

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, 2273, 2400, 2500, 3000, 3125, 3750, 4000, 4546, 5000, 6000, 6250, 6819, 7500, 9092, 9375, 10000, 11365, 12000, 12500, 13638, 15000, 18184, 18750, 20000, 22730, 25000, 27276, 30000, 34095, 36368, 37500, 45460, 50000, 54552, 56825, 60000, 68190, 72736, 75000, 90920, 100000, 109104, 113650, 136380, 150000, 170475, 181840, 218208, 227300, 272760, 284125, 300000, 340950, 363680, 454600, 545520, 568250, 681900, 852375, 909200, 1091040, 1136500, 1363800, 1420625, 1704750, 1818400, 2273000, 2727600, 2841250, 3409500, 4261875, 4546000, 5455200, 5682500, 6819000, 7103125, 8523750, 9092000, 11365000, 13638000, 14206250, 17047500, 21309375, 22730000, 27276000, 28412500, 34095000, 42618750, 45460000, 56825000, 68190000, 85237500, 113650000, 136380000, 170475000, 227300000, 340950000, 681900000]

約数ペア:

[(1, 681900000), (2, 340950000), (3, 227300000), (4, 170475000), (5, 136380000), (6, 113650000), (8, 85237500), (10, 68190000), (12, 56825000), (15, 45460000), (16, 42618750), (20, 34095000), (24, 28412500), (25, 27276000), (30, 22730000), (32, 21309375), (40, 17047500), (48, 14206250), (50, 13638000), (60, 11365000), (75, 9092000), (80, 8523750), (96, 7103125), (100, 6819000), (120, 5682500), (125, 5455200), (150, 4546000), (160, 4261875), (200, 3409500), (240, 2841250), (250, 2727600), (300, 2273000), (375, 1818400), (400, 1704750), (480, 1420625), (500, 1363800), (600, 1136500), (625, 1091040), (750, 909200), (800, 852375), (1000, 681900), (1200, 568250), (1250, 545520), (1500, 454600), (1875, 363680), (2000, 340950), (2273, 300000), (2400, 284125), (2500, 272760), (3000, 227300), (3125, 218208), (3750, 181840), (4000, 170475), (4546, 150000), (5000, 136380), (6000, 113650), (6250, 109104), (6819, 100000), (7500, 90920), (9092, 75000), (9375, 72736), (10000, 68190), (11365, 60000), (12000, 56825), (12500, 54552), (13638, 50000), (15000, 45460), (18184, 37500), (18750, 36368), (20000, 34095), (22730, 30000), (25000, 27276)]