123261640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 283772160

約数和(自身を除く): 160510520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 137, 166, 271, 274, 332, 415, 542, 548, 664, 685, 830, 1084, 1096, 1355, 1370, 1660, 2168, 2710, 2740, 3320, 5420, 5480, 10840, 11371, 22493, 22742, 37127, 44986, 45484, 56855, 74254, 89972, 90968, 112465, 113710, 148508, 179944, 185635, 224930, 227420, 297016, 371270, 449860, 454840, 742540, 899720, 1485080, 3081541, 6163082, 12326164, 15407705, 24652328, 30815410, 61630820, 123261640]

約数ペア:

[(1, 123261640), (2, 61630820), (4, 30815410), (5, 24652328), (8, 15407705), (10, 12326164), (20, 6163082), (40, 3081541), (83, 1485080), (137, 899720), (166, 742540), (271, 454840), (274, 449860), (332, 371270), (415, 297016), (542, 227420), (548, 224930), (664, 185635), (685, 179944), (830, 148508), (1084, 113710), (1096, 112465), (1355, 90968), (1370, 89972), (1660, 74254), (2168, 56855), (2710, 45484), (2740, 44986), (3320, 37127), (5420, 22742), (5480, 22493), (10840, 11371)]