71685760

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1229

約数の個数: 64

約数和(自身を含む): 173226600

約数和(自身を除く): 101540840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1109, 1616, 2020, 2218, 3232, 4040, 4436, 5545, 6464, 8080, 8872, 11090, 12928, 16160, 17744, 22180, 32320, 35488, 44360, 64640, 70976, 88720, 112009, 141952, 177440, 224018, 354880, 448036, 560045, 709760, 896072, 1120090, 1792144, 2240180, 3584288, 4480360, 7168576, 8960720, 14337152, 17921440, 35842880, 71685760]

約数ペア:

[(1, 71685760), (2, 35842880), (4, 17921440), (5, 14337152), (8, 8960720), (10, 7168576), (16, 4480360), (20, 3584288), (32, 2240180), (40, 1792144), (64, 1120090), (80, 896072), (101, 709760), (128, 560045), (160, 448036), (202, 354880), (320, 224018), (404, 177440), (505, 141952), (640, 112009), (808, 88720), (1010, 70976), (1109, 64640), (1616, 44360), (2020, 35488), (2218, 32320), (3232, 22180), (4040, 17744), (4436, 16160), (5545, 12928), (6464, 11090), (8080, 8872)]