31430960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 85494528

約数和(自身を除く): 54063568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 170, 176, 187, 191, 220, 242, 272, 340, 374, 382, 440, 484, 605, 680, 748, 764, 880, 935, 955, 968, 1210, 1360, 1496, 1528, 1870, 1910, 1936, 2057, 2101, 2420, 2992, 3056, 3247, 3740, 3820, 4114, 4202, 4840, 6494, 7480, 7640, 8228, 8404, 9680, 10285, 10505, 12988, 14960, 15280, 16235, 16456, 16808, 20570, 21010, 23111, 25976, 32470, 32912, 33616, 35717, 41140, 42020, 46222, 51952, 64940, 71434, 82280, 84040, 92444, 115555, 129880, 142868, 164560, 168080, 178585, 184888, 231110, 259760, 285736, 357170, 369776, 392887, 462220, 571472, 714340, 785774, 924440, 1428680, 1571548, 1848880, 1964435, 2857360, 3143096, 3928870, 6286192, 7857740, 15715480, 31430960]

約数ペア:

[(1, 31430960), (2, 15715480), (4, 7857740), (5, 6286192), (8, 3928870), (10, 3143096), (11, 2857360), (16, 1964435), (17, 1848880), (20, 1571548), (22, 1428680), (34, 924440), (40, 785774), (44, 714340), (55, 571472), (68, 462220), (80, 392887), (85, 369776), (88, 357170), (110, 285736), (121, 259760), (136, 231110), (170, 184888), (176, 178585), (187, 168080), (191, 164560), (220, 142868), (242, 129880), (272, 115555), (340, 92444), (374, 84040), (382, 82280), (440, 71434), (484, 64940), (605, 51952), (680, 46222), (748, 42020), (764, 41140), (880, 35717), (935, 33616), (955, 32912), (968, 32470), (1210, 25976), (1360, 23111), (1496, 21010), (1528, 20570), (1870, 16808), (1910, 16456), (1936, 16235), (2057, 15280), (2101, 14960), (2420, 12988), (2992, 10505), (3056, 10285), (3247, 9680), (3740, 8404), (3820, 8228), (4114, 7640), (4202, 7480), (4840, 6494)]