320540080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7841}}^1$

素因数の和:7934

約数の個数: 80

約数和(自身を含む): 863498304

約数和(自身を除く): 542958224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 7841, 8176, 10220, 15682, 20440, 31364, 39205, 40880, 54887, 62728, 78410, 109774, 125456, 156820, 219548, 274435, 313640, 439096, 548870, 572393, 627280, 878192, 1097740, 1144786, 2195480, 2289572, 2861965, 4006751, 4390960, 4579144, 5723930, 8013502, 9158288, 11447860, 16027004, 20033755, 22895720, 32054008, 40067510, 45791440, 64108016, 80135020, 160270040, 320540080]

約数ペア:

[(1, 320540080), (2, 160270040), (4, 80135020), (5, 64108016), (7, 45791440), (8, 40067510), (10, 32054008), (14, 22895720), (16, 20033755), (20, 16027004), (28, 11447860), (35, 9158288), (40, 8013502), (56, 5723930), (70, 4579144), (73, 4390960), (80, 4006751), (112, 2861965), (140, 2289572), (146, 2195480), (280, 1144786), (292, 1097740), (365, 878192), (511, 627280), (560, 572393), (584, 548870), (730, 439096), (1022, 313640), (1168, 274435), (1460, 219548), (2044, 156820), (2555, 125456), (2920, 109774), (4088, 78410), (5110, 62728), (5840, 54887), (7841, 40880), (8176, 39205), (10220, 31364), (15682, 20440)]