64734720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8429}}^1$

素因数の和:8455

約数の個数: 80

約数和(自身を含む): 206973360

約数和(自身を除く): 142238640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 8429, 16858, 25287, 33716, 42145, 50574, 67432, 84290, 101148, 126435, 134864, 168580, 202296, 252870, 269728, 337160, 404592, 505740, 539456, 674320, 809184, 1011480, 1078912, 1348640, 1618368, 2022960, 2157824, 2697280, 3236736, 4045920, 4315648, 5394560, 6473472, 8091840, 10789120, 12946944, 16183680, 21578240, 32367360, 64734720]

約数ペア:

[(1, 64734720), (2, 32367360), (3, 21578240), (4, 16183680), (5, 12946944), (6, 10789120), (8, 8091840), (10, 6473472), (12, 5394560), (15, 4315648), (16, 4045920), (20, 3236736), (24, 2697280), (30, 2157824), (32, 2022960), (40, 1618368), (48, 1348640), (60, 1078912), (64, 1011480), (80, 809184), (96, 674320), (120, 539456), (128, 505740), (160, 404592), (192, 337160), (240, 269728), (256, 252870), (320, 202296), (384, 168580), (480, 134864), (512, 126435), (640, 101148), (768, 84290), (960, 67432), (1280, 50574), (1536, 42145), (1920, 33716), (2560, 25287), (3840, 16858), (7680, 8429)]