87745920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2032

約数の個数: 128

約数和(自身を含む): 291997440

約数和(自身を除く): 204251520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 1987, 2208, 2760, 2944, 3680, 3974, 4416, 5520, 5961, 7360, 7948, 8832, 9935, 11040, 11922, 14720, 15896, 19870, 22080, 23844, 29805, 31792, 39740, 44160, 45701, 47688, 59610, 63584, 79480, 91402, 95376, 119220, 127168, 137103, 158960, 182804, 190752, 228505, 238440, 254336, 274206, 317920, 365608, 381504, 457010, 476880, 548412, 635840, 685515, 731216, 763008, 914020, 953760, 1096824, 1271680, 1371030, 1462432, 1828040, 1907520, 2193648, 2742060, 2924864, 3656080, 3815040, 4387296, 5484120, 5849728, 7312160, 8774592, 10968240, 14624320, 17549184, 21936480, 29248640, 43872960, 87745920]

約数ペア:

[(1, 87745920), (2, 43872960), (3, 29248640), (4, 21936480), (5, 17549184), (6, 14624320), (8, 10968240), (10, 8774592), (12, 7312160), (15, 5849728), (16, 5484120), (20, 4387296), (23, 3815040), (24, 3656080), (30, 2924864), (32, 2742060), (40, 2193648), (46, 1907520), (48, 1828040), (60, 1462432), (64, 1371030), (69, 1271680), (80, 1096824), (92, 953760), (96, 914020), (115, 763008), (120, 731216), (128, 685515), (138, 635840), (160, 548412), (184, 476880), (192, 457010), (230, 381504), (240, 365608), (276, 317920), (320, 274206), (345, 254336), (368, 238440), (384, 228505), (460, 190752), (480, 182804), (552, 158960), (640, 137103), (690, 127168), (736, 119220), (920, 95376), (960, 91402), (1104, 79480), (1380, 63584), (1472, 59610), (1840, 47688), (1920, 45701), (1987, 44160), (2208, 39740), (2760, 31792), (2944, 29805), (3680, 23844), (3974, 22080), (4416, 19870), (5520, 15896), (5961, 14720), (7360, 11922), (7948, 11040), (8832, 9935)]