18690000

素因数分解:

$2^4\times 3^1\times 5^4\times 7^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 200

約数和(自身を含む): 69727680

約数和(自身を除く): 51037680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 89, 100, 105, 112, 120, 125, 140, 150, 168, 175, 178, 200, 210, 240, 250, 267, 280, 300, 336, 350, 356, 375, 400, 420, 445, 500, 525, 534, 560, 600, 623, 625, 700, 712, 750, 840, 875, 890, 1000, 1050, 1068, 1200, 1246, 1250, 1335, 1400, 1424, 1500, 1680, 1750, 1780, 1869, 1875, 2000, 2100, 2136, 2225, 2492, 2500, 2625, 2670, 2800, 3000, 3115, 3500, 3560, 3738, 3750, 4200, 4272, 4375, 4450, 4984, 5000, 5250, 5340, 6000, 6230, 6675, 7000, 7120, 7476, 7500, 8400, 8750, 8900, 9345, 9968, 10000, 10500, 10680, 11125, 12460, 13125, 13350, 14000, 14952, 15000, 15575, 17500, 17800, 18690, 21000, 21360, 22250, 24920, 26250, 26700, 29904, 30000, 31150, 33375, 35000, 35600, 37380, 42000, 44500, 46725, 49840, 52500, 53400, 55625, 62300, 66750, 70000, 74760, 77875, 89000, 93450, 105000, 106800, 111250, 124600, 133500, 149520, 155750, 166875, 178000, 186900, 210000, 222500, 233625, 249200, 267000, 311500, 333750, 373800, 389375, 445000, 467250, 534000, 623000, 667500, 747600, 778750, 890000, 934500, 1168125, 1246000, 1335000, 1557500, 1869000, 2336250, 2670000, 3115000, 3738000, 4672500, 6230000, 9345000, 18690000]

約数ペア:

[(1, 18690000), (2, 9345000), (3, 6230000), (4, 4672500), (5, 3738000), (6, 3115000), (7, 2670000), (8, 2336250), (10, 1869000), (12, 1557500), (14, 1335000), (15, 1246000), (16, 1168125), (20, 934500), (21, 890000), (24, 778750), (25, 747600), (28, 667500), (30, 623000), (35, 534000), (40, 467250), (42, 445000), (48, 389375), (50, 373800), (56, 333750), (60, 311500), (70, 267000), (75, 249200), (80, 233625), (84, 222500), (89, 210000), (100, 186900), (105, 178000), (112, 166875), (120, 155750), (125, 149520), (140, 133500), (150, 124600), (168, 111250), (175, 106800), (178, 105000), (200, 93450), (210, 89000), (240, 77875), (250, 74760), (267, 70000), (280, 66750), (300, 62300), (336, 55625), (350, 53400), (356, 52500), (375, 49840), (400, 46725), (420, 44500), (445, 42000), (500, 37380), (525, 35600), (534, 35000), (560, 33375), (600, 31150), (623, 30000), (625, 29904), (700, 26700), (712, 26250), (750, 24920), (840, 22250), (875, 21360), (890, 21000), (1000, 18690), (1050, 17800), (1068, 17500), (1200, 15575), (1246, 15000), (1250, 14952), (1335, 14000), (1400, 13350), (1424, 13125), (1500, 12460), (1680, 11125), (1750, 10680), (1780, 10500), (1869, 10000), (1875, 9968), (2000, 9345), (2100, 8900), (2136, 8750), (2225, 8400), (2492, 7500), (2500, 7476), (2625, 7120), (2670, 7000), (2800, 6675), (3000, 6230), (3115, 6000), (3500, 5340), (3560, 5250), (3738, 5000), (3750, 4984), (4200, 4450), (4272, 4375)]