28920080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 78697344

約数和(自身を除く): 49777264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1201, 1204, 1505, 1720, 2402, 2408, 3010, 3440, 4804, 4816, 6005, 6020, 8407, 9608, 12010, 12040, 16814, 19216, 24020, 24080, 33628, 42035, 48040, 51643, 67256, 84070, 96080, 103286, 134512, 168140, 206572, 258215, 336280, 361501, 413144, 516430, 672560, 723002, 826288, 1032860, 1446004, 1807505, 2065720, 2892008, 3615010, 4131440, 5784016, 7230020, 14460040, 28920080]

約数ペア:

[(1, 28920080), (2, 14460040), (4, 7230020), (5, 5784016), (7, 4131440), (8, 3615010), (10, 2892008), (14, 2065720), (16, 1807505), (20, 1446004), (28, 1032860), (35, 826288), (40, 723002), (43, 672560), (56, 516430), (70, 413144), (80, 361501), (86, 336280), (112, 258215), (140, 206572), (172, 168140), (215, 134512), (280, 103286), (301, 96080), (344, 84070), (430, 67256), (560, 51643), (602, 48040), (688, 42035), (860, 33628), (1201, 24080), (1204, 24020), (1505, 19216), (1720, 16814), (2402, 12040), (2408, 12010), (3010, 9608), (3440, 8407), (4804, 6020), (4816, 6005)]