1572153880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2221

約数の個数: 128

約数和(自身を含む): 4128356160

約数和(自身を除く): 2556202280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 101, 110, 136, 170, 187, 202, 220, 340, 374, 404, 440, 505, 680, 748, 808, 935, 1010, 1111, 1496, 1717, 1870, 2020, 2081, 2222, 3434, 3740, 4040, 4162, 4444, 5555, 6868, 7480, 8324, 8585, 8888, 10405, 11110, 13736, 16648, 17170, 18887, 20810, 22220, 22891, 34340, 35377, 37774, 41620, 44440, 45782, 68680, 70754, 75548, 83240, 91564, 94435, 114455, 141508, 151096, 176885, 183128, 188870, 210181, 228910, 283016, 353770, 377740, 389147, 420362, 457820, 707540, 755480, 778294, 840724, 915640, 1050905, 1415080, 1556588, 1681448, 1945735, 2101810, 2311991, 3113176, 3573077, 3891470, 4203620, 4623982, 7146154, 7782940, 8407240, 9247964, 11559955, 14292308, 15565880, 17865385, 18495928, 23119910, 28584616, 35730770, 39303847, 46239820, 71461540, 78607694, 92479640, 142923080, 157215388, 196519235, 314430776, 393038470, 786076940, 1572153880]

約数ペア:

[(1, 1572153880), (2, 786076940), (4, 393038470), (5, 314430776), (8, 196519235), (10, 157215388), (11, 142923080), (17, 92479640), (20, 78607694), (22, 71461540), (34, 46239820), (40, 39303847), (44, 35730770), (55, 28584616), (68, 23119910), (85, 18495928), (88, 17865385), (101, 15565880), (110, 14292308), (136, 11559955), (170, 9247964), (187, 8407240), (202, 7782940), (220, 7146154), (340, 4623982), (374, 4203620), (404, 3891470), (440, 3573077), (505, 3113176), (680, 2311991), (748, 2101810), (808, 1945735), (935, 1681448), (1010, 1556588), (1111, 1415080), (1496, 1050905), (1717, 915640), (1870, 840724), (2020, 778294), (2081, 755480), (2222, 707540), (3434, 457820), (3740, 420362), (4040, 389147), (4162, 377740), (4444, 353770), (5555, 283016), (6868, 228910), (7480, 210181), (8324, 188870), (8585, 183128), (8888, 176885), (10405, 151096), (11110, 141508), (13736, 114455), (16648, 94435), (17170, 91564), (18887, 83240), (20810, 75548), (22220, 70754), (22891, 68680), (34340, 45782), (35377, 44440), (37774, 41620)]