138763520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:956

約数の個数: 144

約数和(自身を含む): 402651648

約数和(自身を除く): 263888128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 911, 952, 1088, 1120, 1190, 1280, 1360, 1792, 1822, 1904, 2176, 2240, 2380, 2720, 3644, 3808, 4352, 4480, 4555, 4760, 5440, 6377, 7288, 7616, 8960, 9110, 9520, 10880, 12754, 14576, 15232, 15487, 18220, 19040, 21760, 25508, 29152, 30464, 30974, 31885, 36440, 38080, 51016, 58304, 61948, 63770, 72880, 76160, 77435, 102032, 108409, 116608, 123896, 127540, 145760, 152320, 154870, 204064, 216818, 233216, 247792, 255080, 291520, 309740, 408128, 433636, 495584, 510160, 542045, 583040, 619480, 816256, 867272, 991168, 1020320, 1084090, 1166080, 1238960, 1632512, 1734544, 1982336, 2040640, 2168180, 2477920, 3469088, 3964672, 4081280, 4336360, 4955840, 6938176, 8162560, 8672720, 9911680, 13876352, 17345440, 19823360, 27752704, 34690880, 69381760, 138763520]

約数ペア:

[(1, 138763520), (2, 69381760), (4, 34690880), (5, 27752704), (7, 19823360), (8, 17345440), (10, 13876352), (14, 9911680), (16, 8672720), (17, 8162560), (20, 6938176), (28, 4955840), (32, 4336360), (34, 4081280), (35, 3964672), (40, 3469088), (56, 2477920), (64, 2168180), (68, 2040640), (70, 1982336), (80, 1734544), (85, 1632512), (112, 1238960), (119, 1166080), (128, 1084090), (136, 1020320), (140, 991168), (160, 867272), (170, 816256), (224, 619480), (238, 583040), (256, 542045), (272, 510160), (280, 495584), (320, 433636), (340, 408128), (448, 309740), (476, 291520), (544, 255080), (560, 247792), (595, 233216), (640, 216818), (680, 204064), (896, 154870), (911, 152320), (952, 145760), (1088, 127540), (1120, 123896), (1190, 116608), (1280, 108409), (1360, 102032), (1792, 77435), (1822, 76160), (1904, 72880), (2176, 63770), (2240, 61948), (2380, 58304), (2720, 51016), (3644, 38080), (3808, 36440), (4352, 31885), (4480, 30974), (4555, 30464), (4760, 29152), (5440, 25508), (6377, 21760), (7288, 19040), (7616, 18220), (8960, 15487), (9110, 15232), (9520, 14576), (10880, 12754)]