81605760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1$

素因数の和:2278

約数の個数: 128

約数和(自身を含む): 273931200

約数和(自身を除く): 192325440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 2237, 2280, 2432, 3040, 3648, 4474, 4560, 6080, 6711, 7296, 8948, 9120, 11185, 12160, 13422, 17896, 18240, 22370, 26844, 33555, 35792, 36480, 42503, 44740, 53688, 67110, 71584, 85006, 89480, 107376, 127509, 134220, 143168, 170012, 178960, 212515, 214752, 255018, 268440, 286336, 340024, 357920, 425030, 429504, 510036, 536880, 637545, 680048, 715840, 850060, 859008, 1020072, 1073760, 1275090, 1360096, 1431680, 1700120, 2040144, 2147520, 2550180, 2720192, 3400240, 4080288, 4295040, 5100360, 5440384, 6800480, 8160576, 10200720, 13600960, 16321152, 20401440, 27201920, 40802880, 81605760]

約数ペア:

[(1, 81605760), (2, 40802880), (3, 27201920), (4, 20401440), (5, 16321152), (6, 13600960), (8, 10200720), (10, 8160576), (12, 6800480), (15, 5440384), (16, 5100360), (19, 4295040), (20, 4080288), (24, 3400240), (30, 2720192), (32, 2550180), (38, 2147520), (40, 2040144), (48, 1700120), (57, 1431680), (60, 1360096), (64, 1275090), (76, 1073760), (80, 1020072), (95, 859008), (96, 850060), (114, 715840), (120, 680048), (128, 637545), (152, 536880), (160, 510036), (190, 429504), (192, 425030), (228, 357920), (240, 340024), (285, 286336), (304, 268440), (320, 255018), (380, 214752), (384, 212515), (456, 178960), (480, 170012), (570, 143168), (608, 134220), (640, 127509), (760, 107376), (912, 89480), (960, 85006), (1140, 71584), (1216, 67110), (1520, 53688), (1824, 44740), (1920, 42503), (2237, 36480), (2280, 35792), (2432, 33555), (3040, 26844), (3648, 22370), (4474, 18240), (4560, 17896), (6080, 13422), (6711, 12160), (7296, 11185), (8948, 9120)]