71739640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1481}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 185664960

約数和(自身を除く): 113925320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1481, 1730, 2422, 2962, 3460, 4844, 5924, 6055, 6920, 7405, 9688, 10367, 11848, 12110, 14810, 20734, 24220, 29620, 41468, 48440, 51835, 59240, 82936, 103670, 207340, 256213, 414680, 512426, 1024852, 1281065, 1793491, 2049704, 2562130, 3586982, 5124260, 7173964, 8967455, 10248520, 14347928, 17934910, 35869820, 71739640]

約数ペア:

[(1, 71739640), (2, 35869820), (4, 17934910), (5, 14347928), (7, 10248520), (8, 8967455), (10, 7173964), (14, 5124260), (20, 3586982), (28, 2562130), (35, 2049704), (40, 1793491), (56, 1281065), (70, 1024852), (140, 512426), (173, 414680), (280, 256213), (346, 207340), (692, 103670), (865, 82936), (1211, 59240), (1384, 51835), (1481, 48440), (1730, 41468), (2422, 29620), (2962, 24220), (3460, 20734), (4844, 14810), (5924, 12110), (6055, 11848), (6920, 10367), (7405, 9688)]