161660800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{1031}}^1$

素因数の和:1069

約数の個数: 144

約数和(自身を含む): 465003720

約数和(自身を除く): 303342920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1031, 1120, 1225, 1400, 1568, 1600, 1960, 2062, 2240, 2450, 2800, 3136, 3200, 3920, 4124, 4480, 4900, 5155, 5600, 6272, 7217, 7840, 8248, 9800, 10310, 11200, 14434, 15680, 16496, 19600, 20620, 22400, 25775, 28868, 31360, 32992, 36085, 39200, 41240, 50519, 51550, 57736, 65984, 72170, 78400, 82480, 101038, 103100, 115472, 131968, 144340, 156800, 164960, 180425, 202076, 206200, 230944, 252595, 288680, 329920, 360850, 404152, 412400, 461888, 505190, 577360, 659840, 721700, 808304, 824800, 923776, 1010380, 1154720, 1262975, 1443400, 1616608, 1649600, 2020760, 2309440, 2525950, 2886800, 3233216, 3299200, 4041520, 4618880, 5051900, 5773600, 6466432, 8083040, 10103800, 11547200, 16166080, 20207600, 23094400, 32332160, 40415200, 80830400, 161660800]

約数ペア:

[(1, 161660800), (2, 80830400), (4, 40415200), (5, 32332160), (7, 23094400), (8, 20207600), (10, 16166080), (14, 11547200), (16, 10103800), (20, 8083040), (25, 6466432), (28, 5773600), (32, 5051900), (35, 4618880), (40, 4041520), (49, 3299200), (50, 3233216), (56, 2886800), (64, 2525950), (70, 2309440), (80, 2020760), (98, 1649600), (100, 1616608), (112, 1443400), (128, 1262975), (140, 1154720), (160, 1010380), (175, 923776), (196, 824800), (200, 808304), (224, 721700), (245, 659840), (280, 577360), (320, 505190), (350, 461888), (392, 412400), (400, 404152), (448, 360850), (490, 329920), (560, 288680), (640, 252595), (700, 230944), (784, 206200), (800, 202076), (896, 180425), (980, 164960), (1031, 156800), (1120, 144340), (1225, 131968), (1400, 115472), (1568, 103100), (1600, 101038), (1960, 82480), (2062, 78400), (2240, 72170), (2450, 65984), (2800, 57736), (3136, 51550), (3200, 50519), (3920, 41240), (4124, 39200), (4480, 36085), (4900, 32992), (5155, 31360), (5600, 28868), (6272, 25775), (7217, 22400), (7840, 20620), (8248, 19600), (9800, 16496), (10310, 15680), (11200, 14434)]