30718860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7211}}^1$

素因数の和:7294

約数の個数: 48

約数和(自身を含む): 87236352

約数和(自身を除く): 56517492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7211, 14422, 21633, 28844, 36055, 43266, 72110, 86532, 108165, 144220, 216330, 432660, 511981, 1023962, 1535943, 2047924, 2559905, 3071886, 5119810, 6143772, 7679715, 10239620, 15359430, 30718860]

約数ペア:

[(1, 30718860), (2, 15359430), (3, 10239620), (4, 7679715), (5, 6143772), (6, 5119810), (10, 3071886), (12, 2559905), (15, 2047924), (20, 1535943), (30, 1023962), (60, 511981), (71, 432660), (142, 216330), (213, 144220), (284, 108165), (355, 86532), (426, 72110), (710, 43266), (852, 36055), (1065, 28844), (1420, 21633), (2130, 14422), (4260, 7211)]