198236080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15391}}^1$

素因数の和:15434

約数の個数: 80

約数和(自身を含む): 549679104

約数和(自身を除く): 351443024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 15391, 30782, 61564, 76955, 107737, 123128, 153910, 215474, 246256, 307820, 353993, 430948, 538685, 615640, 707986, 861896, 1077370, 1231280, 1415972, 1723792, 1769965, 2154740, 2477951, 2831944, 3539930, 4309480, 4955902, 5663888, 7079860, 8618960, 9911804, 12389755, 14159720, 19823608, 24779510, 28319440, 39647216, 49559020, 99118040, 198236080]

約数ペア:

[(1, 198236080), (2, 99118040), (4, 49559020), (5, 39647216), (7, 28319440), (8, 24779510), (10, 19823608), (14, 14159720), (16, 12389755), (20, 9911804), (23, 8618960), (28, 7079860), (35, 5663888), (40, 4955902), (46, 4309480), (56, 3539930), (70, 2831944), (80, 2477951), (92, 2154740), (112, 1769965), (115, 1723792), (140, 1415972), (161, 1231280), (184, 1077370), (230, 861896), (280, 707986), (322, 615640), (368, 538685), (460, 430948), (560, 353993), (644, 307820), (805, 246256), (920, 215474), (1288, 153910), (1610, 123128), (1840, 107737), (2576, 76955), (3220, 61564), (6440, 30782), (12880, 15391)]