164800520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 388938240

約数和(自身を除く): 224137720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 271, 460, 542, 661, 920, 1084, 1322, 1355, 2168, 2644, 2710, 3305, 5288, 5420, 6233, 6610, 10840, 12466, 13220, 15203, 24932, 26440, 30406, 31165, 49864, 60812, 62330, 76015, 121624, 124660, 152030, 179131, 249320, 304060, 358262, 608120, 716524, 895655, 1433048, 1791310, 3582620, 4120013, 7165240, 8240026, 16480052, 20600065, 32960104, 41200130, 82400260, 164800520]

約数ペア:

[(1, 164800520), (2, 82400260), (4, 41200130), (5, 32960104), (8, 20600065), (10, 16480052), (20, 8240026), (23, 7165240), (40, 4120013), (46, 3582620), (92, 1791310), (115, 1433048), (184, 895655), (230, 716524), (271, 608120), (460, 358262), (542, 304060), (661, 249320), (920, 179131), (1084, 152030), (1322, 124660), (1355, 121624), (2168, 76015), (2644, 62330), (2710, 60812), (3305, 49864), (5288, 31165), (5420, 30406), (6233, 26440), (6610, 24932), (10840, 15203), (12466, 13220)]