1872640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 144

約数和(自身を含む): 5886720

約数和(自身を除く): 4014080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 256, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 532, 560, 608, 616, 640, 665, 704, 760, 770, 836, 880, 896, 1045, 1064, 1120, 1216, 1232, 1280, 1330, 1408, 1463, 1520, 1540, 1672, 1760, 1792, 2090, 2128, 2240, 2432, 2464, 2660, 2816, 2926, 3040, 3080, 3344, 3520, 4180, 4256, 4480, 4864, 4928, 5320, 5852, 6080, 6160, 6688, 7040, 7315, 8360, 8512, 8960, 9856, 10640, 11704, 12160, 12320, 13376, 14080, 14630, 16720, 17024, 19712, 21280, 23408, 24320, 24640, 26752, 29260, 33440, 34048, 42560, 46816, 49280, 53504, 58520, 66880, 85120, 93632, 98560, 117040, 133760, 170240, 187264, 234080, 267520, 374528, 468160, 936320, 1872640]

約数ペア:

[(1, 1872640), (2, 936320), (4, 468160), (5, 374528), (7, 267520), (8, 234080), (10, 187264), (11, 170240), (14, 133760), (16, 117040), (19, 98560), (20, 93632), (22, 85120), (28, 66880), (32, 58520), (35, 53504), (38, 49280), (40, 46816), (44, 42560), (55, 34048), (56, 33440), (64, 29260), (70, 26752), (76, 24640), (77, 24320), (80, 23408), (88, 21280), (95, 19712), (110, 17024), (112, 16720), (128, 14630), (133, 14080), (140, 13376), (152, 12320), (154, 12160), (160, 11704), (176, 10640), (190, 9856), (209, 8960), (220, 8512), (224, 8360), (256, 7315), (266, 7040), (280, 6688), (304, 6160), (308, 6080), (320, 5852), (352, 5320), (380, 4928), (385, 4864), (418, 4480), (440, 4256), (448, 4180), (532, 3520), (560, 3344), (608, 3080), (616, 3040), (640, 2926), (665, 2816), (704, 2660), (760, 2464), (770, 2432), (836, 2240), (880, 2128), (896, 2090), (1045, 1792), (1064, 1760), (1120, 1672), (1216, 1540), (1232, 1520), (1280, 1463), (1330, 1408)]