64252720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 178876944

約数和(自身を除く): 114624224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 443, 490, 518, 560, 592, 740, 784, 886, 980, 1036, 1295, 1480, 1772, 1813, 1960, 2072, 2215, 2590, 2960, 3101, 3544, 3626, 3920, 4144, 4430, 5180, 6202, 7088, 7252, 8860, 9065, 10360, 12404, 14504, 15505, 16391, 17720, 18130, 20720, 21707, 24808, 29008, 31010, 32782, 35440, 36260, 43414, 49616, 62020, 65564, 72520, 81955, 86828, 108535, 114737, 124040, 131128, 145040, 163910, 173656, 217070, 229474, 248080, 262256, 327820, 347312, 434140, 458948, 573685, 655640, 803159, 868280, 917896, 1147370, 1311280, 1606318, 1736560, 1835792, 2294740, 3212636, 4015795, 4589480, 6425272, 8031590, 9178960, 12850544, 16063180, 32126360, 64252720]

約数ペア:

[(1, 64252720), (2, 32126360), (4, 16063180), (5, 12850544), (7, 9178960), (8, 8031590), (10, 6425272), (14, 4589480), (16, 4015795), (20, 3212636), (28, 2294740), (35, 1835792), (37, 1736560), (40, 1606318), (49, 1311280), (56, 1147370), (70, 917896), (74, 868280), (80, 803159), (98, 655640), (112, 573685), (140, 458948), (148, 434140), (185, 347312), (196, 327820), (245, 262256), (259, 248080), (280, 229474), (296, 217070), (370, 173656), (392, 163910), (443, 145040), (490, 131128), (518, 124040), (560, 114737), (592, 108535), (740, 86828), (784, 81955), (886, 72520), (980, 65564), (1036, 62020), (1295, 49616), (1480, 43414), (1772, 36260), (1813, 35440), (1960, 32782), (2072, 31010), (2215, 29008), (2590, 24808), (2960, 21707), (3101, 20720), (3544, 18130), (3626, 17720), (3920, 16391), (4144, 15505), (4430, 14504), (5180, 12404), (6202, 10360), (7088, 9065), (7252, 8860)]