146537440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{18691}}^1$

素因数の和:18720

約数の個数: 72

約数和(自身を含む): 402737832

約数和(自身を除く): 256200392

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, 18691, 37382, 74764, 93455, 130837, 149528, 186910, 261674, 299056, 373820, 523348, 598112, 654185, 747640, 915859, 1046696, 1308370, 1495280, 1831718, 2093392, 2616740, 2990560, 3663436, 4186784, 4579295, 5233480, 7326872, 9158590, 10466960, 14653744, 18317180, 20933920, 29307488, 36634360, 73268720, 146537440]

約数ペア:

[(1, 146537440), (2, 73268720), (4, 36634360), (5, 29307488), (7, 20933920), (8, 18317180), (10, 14653744), (14, 10466960), (16, 9158590), (20, 7326872), (28, 5233480), (32, 4579295), (35, 4186784), (40, 3663436), (49, 2990560), (56, 2616740), (70, 2093392), (80, 1831718), (98, 1495280), (112, 1308370), (140, 1046696), (160, 915859), (196, 747640), (224, 654185), (245, 598112), (280, 523348), (392, 373820), (490, 299056), (560, 261674), (784, 186910), (980, 149528), (1120, 130837), (1568, 93455), (1960, 74764), (3920, 37382), (7840, 18691)]