1255368520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{194933}}^1$

素因数の和:194974

約数の個数: 64

約数和(自身を含む): 3368459520

約数和(自身を除く): 2113091000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 194933, 389866, 779732, 974665, 1364531, 1559464, 1949330, 2729062, 3898660, 4483459, 5458124, 6822655, 7797320, 8966918, 10916248, 13645310, 17933836, 22417295, 27290620, 31384213, 35867672, 44834590, 54581240, 62768426, 89669180, 125536852, 156921065, 179338360, 251073704, 313842130, 627684260, 1255368520]

約数ペア:

[(1, 1255368520), (2, 627684260), (4, 313842130), (5, 251073704), (7, 179338360), (8, 156921065), (10, 125536852), (14, 89669180), (20, 62768426), (23, 54581240), (28, 44834590), (35, 35867672), (40, 31384213), (46, 27290620), (56, 22417295), (70, 17933836), (92, 13645310), (115, 10916248), (140, 8966918), (161, 7797320), (184, 6822655), (230, 5458124), (280, 4483459), (322, 3898660), (460, 2729062), (644, 1949330), (805, 1559464), (920, 1364531), (1288, 974665), (1610, 779732), (3220, 389866), (6440, 194933)]