64430940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153407}}^1$

素因数の和:153426

約数の個数: 48

約数和(自身を含む): 206180352

約数和(自身を除く): 141749412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153407, 306814, 460221, 613628, 767035, 920442, 1073849, 1534070, 1840884, 2147698, 2301105, 3068140, 3221547, 4295396, 4602210, 5369245, 6443094, 9204420, 10738490, 12886188, 16107735, 21476980, 32215470, 64430940]

約数ペア:

[(1, 64430940), (2, 32215470), (3, 21476980), (4, 16107735), (5, 12886188), (6, 10738490), (7, 9204420), (10, 6443094), (12, 5369245), (14, 4602210), (15, 4295396), (20, 3221547), (21, 3068140), (28, 2301105), (30, 2147698), (35, 1840884), (42, 1534070), (60, 1073849), (70, 920442), (84, 767035), (105, 613628), (140, 460221), (210, 306814), (420, 153407)]