61556920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 142571520

約数和(自身を除く): 81014600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 103, 134, 206, 223, 268, 335, 412, 446, 515, 536, 670, 824, 892, 1030, 1115, 1340, 1784, 2060, 2230, 2680, 4120, 4460, 6901, 8920, 13802, 14941, 22969, 27604, 29882, 34505, 45938, 55208, 59764, 69010, 74705, 91876, 114845, 119528, 138020, 149410, 183752, 229690, 276040, 298820, 459380, 597640, 918760, 1538923, 3077846, 6155692, 7694615, 12311384, 15389230, 30778460, 61556920]

約数ペア:

[(1, 61556920), (2, 30778460), (4, 15389230), (5, 12311384), (8, 7694615), (10, 6155692), (20, 3077846), (40, 1538923), (67, 918760), (103, 597640), (134, 459380), (206, 298820), (223, 276040), (268, 229690), (335, 183752), (412, 149410), (446, 138020), (515, 119528), (536, 114845), (670, 91876), (824, 74705), (892, 69010), (1030, 59764), (1115, 55208), (1340, 45938), (1784, 34505), (2060, 29882), (2230, 27604), (2680, 22969), (4120, 14941), (4460, 13802), (6901, 8920)]