18400480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2347}}^1$

素因数の和:2376

約数の個数: 72

約数和(自身を含む): 50590008

約数和(自身を除く): 32189528

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, 2347, 3920, 4694, 7840, 9388, 11735, 16429, 18776, 23470, 32858, 37552, 46940, 65716, 75104, 82145, 93880, 115003, 131432, 164290, 187760, 230006, 262864, 328580, 375520, 460012, 525728, 575015, 657160, 920024, 1150030, 1314320, 1840048, 2300060, 2628640, 3680096, 4600120, 9200240, 18400480]

約数ペア:

[(1, 18400480), (2, 9200240), (4, 4600120), (5, 3680096), (7, 2628640), (8, 2300060), (10, 1840048), (14, 1314320), (16, 1150030), (20, 920024), (28, 657160), (32, 575015), (35, 525728), (40, 460012), (49, 375520), (56, 328580), (70, 262864), (80, 230006), (98, 187760), (112, 164290), (140, 131432), (160, 115003), (196, 93880), (224, 82145), (245, 75104), (280, 65716), (392, 46940), (490, 37552), (560, 32858), (784, 23470), (980, 18776), (1120, 16429), (1568, 11735), (1960, 9388), (2347, 7840), (3920, 4694)]