131280800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 216

約数和(自身を含む): 396748044

約数和(自身を除く): 265467244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 49, 50, 56, 68, 70, 80, 85, 98, 100, 112, 119, 136, 140, 160, 170, 175, 196, 197, 200, 224, 238, 245, 272, 280, 340, 350, 392, 394, 400, 425, 476, 490, 544, 560, 595, 680, 700, 784, 788, 800, 833, 850, 952, 980, 985, 1120, 1190, 1225, 1360, 1379, 1400, 1568, 1576, 1666, 1700, 1904, 1960, 1970, 2380, 2450, 2720, 2758, 2800, 2975, 3152, 3332, 3349, 3400, 3808, 3920, 3940, 4165, 4760, 4900, 4925, 5516, 5600, 5950, 6304, 6664, 6698, 6800, 6895, 7840, 7880, 8330, 9520, 9653, 9800, 9850, 11032, 11900, 13328, 13396, 13600, 13790, 15760, 16660, 16745, 19040, 19306, 19600, 19700, 20825, 22064, 23443, 23800, 26656, 26792, 27580, 31520, 33320, 33490, 34475, 38612, 39200, 39400, 41650, 44128, 46886, 47600, 48265, 53584, 55160, 66640, 66980, 68950, 77224, 78800, 83300, 83725, 93772, 95200, 96530, 107168, 110320, 117215, 133280, 133960, 137900, 154448, 157600, 164101, 166600, 167450, 187544, 193060, 220640, 234430, 241325, 267920, 275800, 308896, 328202, 333200, 334900, 375088, 386120, 468860, 482650, 535840, 551600, 586075, 656404, 666400, 669800, 750176, 772240, 820505, 937720, 965300, 1103200, 1172150, 1312808, 1339600, 1544480, 1641010, 1875440, 1930600, 2344300, 2625616, 2679200, 3282020, 3750880, 3861200, 4102525, 4688600, 5251232, 6564040, 7722400, 8205050, 9377200, 13128080, 16410100, 18754400, 26256160, 32820200, 65640400, 131280800]

約数ペア:

[(1, 131280800), (2, 65640400), (4, 32820200), (5, 26256160), (7, 18754400), (8, 16410100), (10, 13128080), (14, 9377200), (16, 8205050), (17, 7722400), (20, 6564040), (25, 5251232), (28, 4688600), (32, 4102525), (34, 3861200), (35, 3750880), (40, 3282020), (49, 2679200), (50, 2625616), (56, 2344300), (68, 1930600), (70, 1875440), (80, 1641010), (85, 1544480), (98, 1339600), (100, 1312808), (112, 1172150), (119, 1103200), (136, 965300), (140, 937720), (160, 820505), (170, 772240), (175, 750176), (196, 669800), (197, 666400), (200, 656404), (224, 586075), (238, 551600), (245, 535840), (272, 482650), (280, 468860), (340, 386120), (350, 375088), (392, 334900), (394, 333200), (400, 328202), (425, 308896), (476, 275800), (490, 267920), (544, 241325), (560, 234430), (595, 220640), (680, 193060), (700, 187544), (784, 167450), (788, 166600), (800, 164101), (833, 157600), (850, 154448), (952, 137900), (980, 133960), (985, 133280), (1120, 117215), (1190, 110320), (1225, 107168), (1360, 96530), (1379, 95200), (1400, 93772), (1568, 83725), (1576, 83300), (1666, 78800), (1700, 77224), (1904, 68950), (1960, 66980), (1970, 66640), (2380, 55160), (2450, 53584), (2720, 48265), (2758, 47600), (2800, 46886), (2975, 44128), (3152, 41650), (3332, 39400), (3349, 39200), (3400, 38612), (3808, 34475), (3920, 33490), (3940, 33320), (4165, 31520), (4760, 27580), (4900, 26792), (4925, 26656), (5516, 23800), (5600, 23443), (5950, 22064), (6304, 20825), (6664, 19700), (6698, 19600), (6800, 19306), (6895, 19040), (7840, 16745), (7880, 16660), (8330, 15760), (9520, 13790), (9653, 13600), (9800, 13396), (9850, 13328), (11032, 11900)]