306960640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{34259}}^1$

素因数の和:34287

約数の個数: 72

約数和(自身を含む): 840329280

約数和(自身を除く): 533368640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 34259, 68518, 137036, 171295, 239813, 274072, 342590, 479626, 548144, 685180, 959252, 1096288, 1199065, 1370360, 1918504, 2192576, 2398130, 2740720, 3837008, 4385152, 4796260, 5481440, 7674016, 8770304, 9592520, 10962880, 15348032, 19185040, 21925760, 30696064, 38370080, 43851520, 61392128, 76740160, 153480320, 306960640]

約数ペア:

[(1, 306960640), (2, 153480320), (4, 76740160), (5, 61392128), (7, 43851520), (8, 38370080), (10, 30696064), (14, 21925760), (16, 19185040), (20, 15348032), (28, 10962880), (32, 9592520), (35, 8770304), (40, 7674016), (56, 5481440), (64, 4796260), (70, 4385152), (80, 3837008), (112, 2740720), (128, 2398130), (140, 2192576), (160, 1918504), (224, 1370360), (256, 1199065), (280, 1096288), (320, 959252), (448, 685180), (560, 548144), (640, 479626), (896, 342590), (1120, 274072), (1280, 239813), (1792, 171295), (2240, 137036), (4480, 68518), (8960, 34259)]