90721280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 176

約数和(自身を含む): 247605120

約数和(自身を除く): 156883840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 47, 52, 58, 64, 65, 80, 94, 104, 116, 128, 130, 145, 160, 188, 208, 232, 235, 256, 260, 290, 320, 376, 377, 416, 464, 470, 512, 520, 580, 611, 640, 752, 754, 832, 928, 940, 1024, 1040, 1160, 1222, 1280, 1363, 1504, 1508, 1664, 1856, 1880, 1885, 2080, 2320, 2444, 2560, 2726, 3008, 3016, 3055, 3328, 3712, 3760, 3770, 4160, 4640, 4888, 5120, 5452, 6016, 6032, 6110, 6656, 6815, 7424, 7520, 7540, 8320, 9280, 9776, 10904, 12032, 12064, 12220, 13312, 13630, 14848, 15040, 15080, 16640, 17719, 18560, 19552, 21808, 24064, 24128, 24440, 27260, 29696, 30080, 30160, 33280, 35438, 37120, 39104, 43616, 48128, 48256, 48880, 54520, 60160, 60320, 66560, 70876, 74240, 78208, 87232, 88595, 96512, 97760, 109040, 120320, 120640, 141752, 148480, 156416, 174464, 177190, 193024, 195520, 218080, 240640, 241280, 283504, 312832, 348928, 354380, 386048, 391040, 436160, 482560, 567008, 625664, 697856, 708760, 782080, 872320, 965120, 1134016, 1395712, 1417520, 1564160, 1744640, 1930240, 2268032, 2835040, 3128320, 3489280, 4536064, 5670080, 6978560, 9072128, 11340160, 18144256, 22680320, 45360640, 90721280]

約数ペア:

[(1, 90721280), (2, 45360640), (4, 22680320), (5, 18144256), (8, 11340160), (10, 9072128), (13, 6978560), (16, 5670080), (20, 4536064), (26, 3489280), (29, 3128320), (32, 2835040), (40, 2268032), (47, 1930240), (52, 1744640), (58, 1564160), (64, 1417520), (65, 1395712), (80, 1134016), (94, 965120), (104, 872320), (116, 782080), (128, 708760), (130, 697856), (145, 625664), (160, 567008), (188, 482560), (208, 436160), (232, 391040), (235, 386048), (256, 354380), (260, 348928), (290, 312832), (320, 283504), (376, 241280), (377, 240640), (416, 218080), (464, 195520), (470, 193024), (512, 177190), (520, 174464), (580, 156416), (611, 148480), (640, 141752), (752, 120640), (754, 120320), (832, 109040), (928, 97760), (940, 96512), (1024, 88595), (1040, 87232), (1160, 78208), (1222, 74240), (1280, 70876), (1363, 66560), (1504, 60320), (1508, 60160), (1664, 54520), (1856, 48880), (1880, 48256), (1885, 48128), (2080, 43616), (2320, 39104), (2444, 37120), (2560, 35438), (2726, 33280), (3008, 30160), (3016, 30080), (3055, 29696), (3328, 27260), (3712, 24440), (3760, 24128), (3770, 24064), (4160, 21808), (4640, 19552), (4888, 18560), (5120, 17719), (5452, 16640), (6016, 15080), (6032, 15040), (6110, 14848), (6656, 13630), (6815, 13312), (7424, 12220), (7520, 12064), (7540, 12032), (8320, 10904), (9280, 9776)]