28453530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 83939328

約数和(自身を除く): 55485798

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 43, 46, 69, 70, 86, 105, 115, 129, 137, 138, 161, 210, 215, 230, 258, 274, 301, 322, 345, 411, 430, 483, 602, 645, 685, 690, 805, 822, 903, 959, 966, 989, 1290, 1370, 1505, 1610, 1806, 1918, 1978, 2055, 2415, 2877, 2967, 3010, 3151, 4110, 4515, 4795, 4830, 4945, 5754, 5891, 5934, 6302, 6923, 9030, 9453, 9590, 9890, 11782, 13846, 14385, 14835, 15755, 17673, 18906, 20769, 22057, 28770, 29455, 29670, 31510, 34615, 35346, 41237, 41538, 44114, 47265, 58910, 66171, 69230, 82474, 88365, 94530, 103845, 110285, 123711, 132342, 135493, 176730, 206185, 207690, 220570, 247422, 270986, 330855, 406479, 412370, 618555, 661710, 677465, 812958, 948451, 1237110, 1354930, 1896902, 2032395, 2845353, 4064790, 4742255, 5690706, 9484510, 14226765, 28453530]

約数ペア:

[(1, 28453530), (2, 14226765), (3, 9484510), (5, 5690706), (6, 4742255), (7, 4064790), (10, 2845353), (14, 2032395), (15, 1896902), (21, 1354930), (23, 1237110), (30, 948451), (35, 812958), (42, 677465), (43, 661710), (46, 618555), (69, 412370), (70, 406479), (86, 330855), (105, 270986), (115, 247422), (129, 220570), (137, 207690), (138, 206185), (161, 176730), (210, 135493), (215, 132342), (230, 123711), (258, 110285), (274, 103845), (301, 94530), (322, 88365), (345, 82474), (411, 69230), (430, 66171), (483, 58910), (602, 47265), (645, 44114), (685, 41538), (690, 41237), (805, 35346), (822, 34615), (903, 31510), (959, 29670), (966, 29455), (989, 28770), (1290, 22057), (1370, 20769), (1505, 18906), (1610, 17673), (1806, 15755), (1918, 14835), (1978, 14385), (2055, 13846), (2415, 11782), (2877, 9890), (2967, 9590), (3010, 9453), (3151, 9030), (4110, 6923), (4515, 6302), (4795, 5934), (4830, 5891), (4945, 5754)]