208720160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10781}}^1$

素因数の和:10818

約数の個数: 72

約数和(自身を含む): 542054268

約数和(自身を除く): 333334108

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 10781, 19360, 21562, 43124, 53905, 86248, 107810, 118591, 172496, 215620, 237182, 344992, 431240, 474364, 592955, 862480, 948728, 1185910, 1304501, 1724960, 1897456, 2371820, 2609002, 3794912, 4743640, 5218004, 6522505, 9487280, 10436008, 13045010, 18974560, 20872016, 26090020, 41744032, 52180040, 104360080, 208720160]

約数ペア:

[(1, 208720160), (2, 104360080), (4, 52180040), (5, 41744032), (8, 26090020), (10, 20872016), (11, 18974560), (16, 13045010), (20, 10436008), (22, 9487280), (32, 6522505), (40, 5218004), (44, 4743640), (55, 3794912), (80, 2609002), (88, 2371820), (110, 1897456), (121, 1724960), (160, 1304501), (176, 1185910), (220, 948728), (242, 862480), (352, 592955), (440, 474364), (484, 431240), (605, 344992), (880, 237182), (968, 215620), (1210, 172496), (1760, 118591), (1936, 107810), (2420, 86248), (3872, 53905), (4840, 43124), (9680, 21562), (10781, 19360)]