135519920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 335791008

約数和(自身を除く): 200271088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 251, 272, 340, 397, 502, 680, 794, 1004, 1255, 1360, 1588, 1985, 2008, 2510, 3176, 3970, 4016, 4267, 5020, 6352, 6749, 7940, 8534, 10040, 13498, 15880, 17068, 20080, 21335, 26996, 31760, 33745, 34136, 42670, 53992, 67490, 68272, 85340, 99647, 107984, 134980, 170680, 199294, 269960, 341360, 398588, 498235, 539920, 797176, 996470, 1594352, 1693999, 1992940, 3387998, 3985880, 6775996, 7971760, 8469995, 13551992, 16939990, 27103984, 33879980, 67759960, 135519920]

約数ペア:

[(1, 135519920), (2, 67759960), (4, 33879980), (5, 27103984), (8, 16939990), (10, 13551992), (16, 8469995), (17, 7971760), (20, 6775996), (34, 3985880), (40, 3387998), (68, 1992940), (80, 1693999), (85, 1594352), (136, 996470), (170, 797176), (251, 539920), (272, 498235), (340, 398588), (397, 341360), (502, 269960), (680, 199294), (794, 170680), (1004, 134980), (1255, 107984), (1360, 99647), (1588, 85340), (1985, 68272), (2008, 67490), (2510, 53992), (3176, 42670), (3970, 34136), (4016, 33745), (4267, 31760), (5020, 26996), (6352, 21335), (6749, 20080), (7940, 17068), (8534, 15880), (10040, 13498)]