87031080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 296330580

約数和(自身を除く): 209299500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 457, 460, 529, 552, 690, 828, 914, 920, 1035, 1058, 1371, 1380, 1587, 1656, 1828, 2070, 2116, 2285, 2645, 2742, 2760, 3174, 3656, 4113, 4140, 4232, 4570, 4761, 5290, 5484, 6348, 6855, 7935, 8226, 8280, 9140, 9522, 10511, 10580, 10968, 12696, 13710, 15870, 16452, 18280, 19044, 20565, 21022, 21160, 23805, 27420, 31533, 31740, 32904, 38088, 41130, 42044, 47610, 52555, 54840, 63066, 63480, 82260, 84088, 94599, 95220, 105110, 126132, 157665, 164520, 189198, 190440, 210220, 241753, 252264, 315330, 378396, 420440, 472995, 483506, 630660, 725259, 756792, 945990, 967012, 1208765, 1261320, 1450518, 1891980, 1934024, 2175777, 2417530, 2901036, 3626295, 3783960, 4351554, 4835060, 5802072, 7252590, 8703108, 9670120, 10878885, 14505180, 17406216, 21757770, 29010360, 43515540, 87031080]

約数ペア:

[(1, 87031080), (2, 43515540), (3, 29010360), (4, 21757770), (5, 17406216), (6, 14505180), (8, 10878885), (9, 9670120), (10, 8703108), (12, 7252590), (15, 5802072), (18, 4835060), (20, 4351554), (23, 3783960), (24, 3626295), (30, 2901036), (36, 2417530), (40, 2175777), (45, 1934024), (46, 1891980), (60, 1450518), (69, 1261320), (72, 1208765), (90, 967012), (92, 945990), (115, 756792), (120, 725259), (138, 630660), (180, 483506), (184, 472995), (207, 420440), (230, 378396), (276, 315330), (345, 252264), (360, 241753), (414, 210220), (457, 190440), (460, 189198), (529, 164520), (552, 157665), (690, 126132), (828, 105110), (914, 95220), (920, 94599), (1035, 84088), (1058, 82260), (1371, 63480), (1380, 63066), (1587, 54840), (1656, 52555), (1828, 47610), (2070, 42044), (2116, 41130), (2285, 38088), (2645, 32904), (2742, 31740), (2760, 31533), (3174, 27420), (3656, 23805), (4113, 21160), (4140, 21022), (4232, 20565), (4570, 19044), (4761, 18280), (5290, 16452), (5484, 15870), (6348, 13710), (6855, 12696), (7935, 10968), (8226, 10580), (8280, 10511), (9140, 9522)]