168693280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21517}}^1$

素因数の和:21546

約数の個数: 72

約数和(自身を含む): 463626828

約数和(自身を除く): 294933548

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 21517, 43034, 86068, 107585, 150619, 172136, 215170, 301238, 344272, 430340, 602476, 688544, 753095, 860680, 1054333, 1204952, 1506190, 1721360, 2108666, 2409904, 3012380, 3442720, 4217332, 4819808, 5271665, 6024760, 8434664, 10543330, 12049520, 16869328, 21086660, 24099040, 33738656, 42173320, 84346640, 168693280]

約数ペア:

[(1, 168693280), (2, 84346640), (4, 42173320), (5, 33738656), (7, 24099040), (8, 21086660), (10, 16869328), (14, 12049520), (16, 10543330), (20, 8434664), (28, 6024760), (32, 5271665), (35, 4819808), (40, 4217332), (49, 3442720), (56, 3012380), (70, 2409904), (80, 2108666), (98, 1721360), (112, 1506190), (140, 1204952), (160, 1054333), (196, 860680), (224, 753095), (245, 688544), (280, 602476), (392, 430340), (490, 344272), (560, 301238), (784, 215170), (980, 172136), (1120, 150619), (1568, 107585), (1960, 86068), (3920, 43034), (7840, 21517)]