1618960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{59}}^1$

素因数の和:93

約数の個数: 80

約数和(自身を含む): 4464000

約数和(自身を除く): 2845040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 196, 236, 245, 280, 295, 343, 392, 413, 472, 490, 560, 590, 686, 784, 826, 944, 980, 1180, 1372, 1652, 1715, 1960, 2065, 2360, 2744, 2891, 3304, 3430, 3920, 4130, 4720, 5488, 5782, 6608, 6860, 8260, 11564, 13720, 14455, 16520, 20237, 23128, 27440, 28910, 33040, 40474, 46256, 57820, 80948, 101185, 115640, 161896, 202370, 231280, 323792, 404740, 809480, 1618960]

約数ペア:

[(1, 1618960), (2, 809480), (4, 404740), (5, 323792), (7, 231280), (8, 202370), (10, 161896), (14, 115640), (16, 101185), (20, 80948), (28, 57820), (35, 46256), (40, 40474), (49, 33040), (56, 28910), (59, 27440), (70, 23128), (80, 20237), (98, 16520), (112, 14455), (118, 13720), (140, 11564), (196, 8260), (236, 6860), (245, 6608), (280, 5782), (295, 5488), (343, 4720), (392, 4130), (413, 3920), (472, 3430), (490, 3304), (560, 2891), (590, 2744), (686, 2360), (784, 2065), (826, 1960), (944, 1715), (980, 1652), (1180, 1372)]