381313280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15679}}^1$

素因数の和:15719

約数の個数: 72

約数和(自身を含む): 961497600

約数和(自身を除く): 580184320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 15679, 24320, 31358, 62716, 78395, 125432, 156790, 250864, 297901, 313580, 501728, 595802, 627160, 1003456, 1191604, 1254320, 1489505, 2006912, 2383208, 2508640, 2979010, 4013824, 4766416, 5017280, 5958020, 9532832, 10034560, 11916040, 19065664, 20069120, 23832080, 38131328, 47664160, 76262656, 95328320, 190656640, 381313280]

約数ペア:

[(1, 381313280), (2, 190656640), (4, 95328320), (5, 76262656), (8, 47664160), (10, 38131328), (16, 23832080), (19, 20069120), (20, 19065664), (32, 11916040), (38, 10034560), (40, 9532832), (64, 5958020), (76, 5017280), (80, 4766416), (95, 4013824), (128, 2979010), (152, 2508640), (160, 2383208), (190, 2006912), (256, 1489505), (304, 1254320), (320, 1191604), (380, 1003456), (608, 627160), (640, 595802), (760, 501728), (1216, 313580), (1280, 297901), (1520, 250864), (2432, 156790), (3040, 125432), (4864, 78395), (6080, 62716), (12160, 31358), (15679, 24320)]