68485120

素因数分解:

$2^{16}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 136

約数和(自身を含む): 188742240

約数和(自身を除く): 120257120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 380, 418, 440, 512, 608, 640, 704, 760, 836, 880, 1024, 1045, 1216, 1280, 1408, 1520, 1672, 1760, 2048, 2090, 2432, 2560, 2816, 3040, 3344, 3520, 4096, 4180, 4864, 5120, 5632, 6080, 6688, 7040, 8192, 8360, 9728, 10240, 11264, 12160, 13376, 14080, 16384, 16720, 19456, 20480, 22528, 24320, 26752, 28160, 32768, 33440, 38912, 40960, 45056, 48640, 53504, 56320, 65536, 66880, 77824, 81920, 90112, 97280, 107008, 112640, 133760, 155648, 163840, 180224, 194560, 214016, 225280, 267520, 311296, 327680, 360448, 389120, 428032, 450560, 535040, 622592, 720896, 778240, 856064, 901120, 1070080, 1245184, 1556480, 1712128, 1802240, 2140160, 3112960, 3424256, 3604480, 4280320, 6225920, 6848512, 8560640, 13697024, 17121280, 34242560, 68485120]

約数ペア:

[(1, 68485120), (2, 34242560), (4, 17121280), (5, 13697024), (8, 8560640), (10, 6848512), (11, 6225920), (16, 4280320), (19, 3604480), (20, 3424256), (22, 3112960), (32, 2140160), (38, 1802240), (40, 1712128), (44, 1556480), (55, 1245184), (64, 1070080), (76, 901120), (80, 856064), (88, 778240), (95, 720896), (110, 622592), (128, 535040), (152, 450560), (160, 428032), (176, 389120), (190, 360448), (209, 327680), (220, 311296), (256, 267520), (304, 225280), (320, 214016), (352, 194560), (380, 180224), (418, 163840), (440, 155648), (512, 133760), (608, 112640), (640, 107008), (704, 97280), (760, 90112), (836, 81920), (880, 77824), (1024, 66880), (1045, 65536), (1216, 56320), (1280, 53504), (1408, 48640), (1520, 45056), (1672, 40960), (1760, 38912), (2048, 33440), (2090, 32768), (2432, 28160), (2560, 26752), (2816, 24320), (3040, 22528), (3344, 20480), (3520, 19456), (4096, 16720), (4180, 16384), (4864, 14080), (5120, 13376), (5632, 12160), (6080, 11264), (6688, 10240), (7040, 9728), (8192, 8360)]