71896720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18341}}^1$

素因数の和:18368

約数の個数: 60

約数和(自身を含む): 194461884

約数和(自身を除く): 122565164

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18341, 36682, 73364, 91705, 128387, 146728, 183410, 256774, 293456, 366820, 513548, 641935, 733640, 898709, 1027096, 1283870, 1467280, 1797418, 2054192, 2567740, 3594836, 4493545, 5135480, 7189672, 8987090, 10270960, 14379344, 17974180, 35948360, 71896720]

約数ペア:

[(1, 71896720), (2, 35948360), (4, 17974180), (5, 14379344), (7, 10270960), (8, 8987090), (10, 7189672), (14, 5135480), (16, 4493545), (20, 3594836), (28, 2567740), (35, 2054192), (40, 1797418), (49, 1467280), (56, 1283870), (70, 1027096), (80, 898709), (98, 733640), (112, 641935), (140, 513548), (196, 366820), (245, 293456), (280, 256774), (392, 183410), (490, 146728), (560, 128387), (784, 91705), (980, 73364), (1960, 36682), (3920, 18341)]