12840960

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:62

約数の個数: 208

約数和(自身を含む): 47180160

約数和(自身を除く): 34339200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 110, 114, 120, 128, 132, 152, 160, 165, 176, 190, 192, 209, 220, 228, 240, 256, 264, 285, 304, 320, 330, 352, 380, 384, 418, 440, 456, 480, 512, 528, 570, 608, 627, 640, 660, 704, 760, 768, 836, 880, 912, 960, 1024, 1045, 1056, 1140, 1216, 1254, 1280, 1320, 1408, 1520, 1536, 1672, 1760, 1824, 1920, 2048, 2090, 2112, 2280, 2432, 2508, 2560, 2640, 2816, 3040, 3072, 3135, 3344, 3520, 3648, 3840, 4096, 4180, 4224, 4560, 4864, 5016, 5120, 5280, 5632, 6080, 6144, 6270, 6688, 7040, 7296, 7680, 8360, 8448, 9120, 9728, 10032, 10240, 10560, 11264, 12160, 12288, 12540, 13376, 14080, 14592, 15360, 16720, 16896, 18240, 19456, 20064, 20480, 21120, 22528, 24320, 25080, 26752, 28160, 29184, 30720, 33440, 33792, 36480, 38912, 40128, 42240, 45056, 48640, 50160, 53504, 56320, 58368, 61440, 66880, 67584, 72960, 77824, 80256, 84480, 97280, 100320, 107008, 112640, 116736, 133760, 135168, 145920, 160512, 168960, 194560, 200640, 214016, 225280, 233472, 267520, 291840, 321024, 337920, 389120, 401280, 428032, 535040, 583680, 642048, 675840, 802560, 856064, 1070080, 1167360, 1284096, 1605120, 2140160, 2568192, 3210240, 4280320, 6420480, 12840960]

約数ペア:

[(1, 12840960), (2, 6420480), (3, 4280320), (4, 3210240), (5, 2568192), (6, 2140160), (8, 1605120), (10, 1284096), (11, 1167360), (12, 1070080), (15, 856064), (16, 802560), (19, 675840), (20, 642048), (22, 583680), (24, 535040), (30, 428032), (32, 401280), (33, 389120), (38, 337920), (40, 321024), (44, 291840), (48, 267520), (55, 233472), (57, 225280), (60, 214016), (64, 200640), (66, 194560), (76, 168960), (80, 160512), (88, 145920), (95, 135168), (96, 133760), (110, 116736), (114, 112640), (120, 107008), (128, 100320), (132, 97280), (152, 84480), (160, 80256), (165, 77824), (176, 72960), (190, 67584), (192, 66880), (209, 61440), (220, 58368), (228, 56320), (240, 53504), (256, 50160), (264, 48640), (285, 45056), (304, 42240), (320, 40128), (330, 38912), (352, 36480), (380, 33792), (384, 33440), (418, 30720), (440, 29184), (456, 28160), (480, 26752), (512, 25080), (528, 24320), (570, 22528), (608, 21120), (627, 20480), (640, 20064), (660, 19456), (704, 18240), (760, 16896), (768, 16720), (836, 15360), (880, 14592), (912, 14080), (960, 13376), (1024, 12540), (1045, 12288), (1056, 12160), (1140, 11264), (1216, 10560), (1254, 10240), (1280, 10032), (1320, 9728), (1408, 9120), (1520, 8448), (1536, 8360), (1672, 7680), (1760, 7296), (1824, 7040), (1920, 6688), (2048, 6270), (2090, 6144), (2112, 6080), (2280, 5632), (2432, 5280), (2508, 5120), (2560, 5016), (2640, 4864), (2816, 4560), (3040, 4224), (3072, 4180), (3135, 4096), (3344, 3840), (3520, 3648)]