61427120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 159579072

約数和(自身を除く): 98151952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 47, 62, 68, 80, 85, 94, 124, 136, 155, 170, 188, 235, 248, 272, 310, 340, 376, 470, 496, 527, 620, 680, 752, 799, 940, 961, 1054, 1240, 1360, 1457, 1598, 1880, 1922, 2108, 2480, 2635, 2914, 3196, 3760, 3844, 3995, 4216, 4805, 5270, 5828, 6392, 7285, 7688, 7990, 8432, 9610, 10540, 11656, 12784, 14570, 15376, 15980, 16337, 19220, 21080, 23312, 24769, 29140, 31960, 32674, 38440, 42160, 45167, 49538, 58280, 63920, 65348, 76880, 81685, 90334, 99076, 116560, 123845, 130696, 163370, 180668, 198152, 225835, 247690, 261392, 326740, 361336, 396304, 451670, 495380, 653480, 722672, 767839, 903340, 990760, 1306960, 1535678, 1806680, 1981520, 3071356, 3613360, 3839195, 6142712, 7678390, 12285424, 15356780, 30713560, 61427120]

約数ペア:

[(1, 61427120), (2, 30713560), (4, 15356780), (5, 12285424), (8, 7678390), (10, 6142712), (16, 3839195), (17, 3613360), (20, 3071356), (31, 1981520), (34, 1806680), (40, 1535678), (47, 1306960), (62, 990760), (68, 903340), (80, 767839), (85, 722672), (94, 653480), (124, 495380), (136, 451670), (155, 396304), (170, 361336), (188, 326740), (235, 261392), (248, 247690), (272, 225835), (310, 198152), (340, 180668), (376, 163370), (470, 130696), (496, 123845), (527, 116560), (620, 99076), (680, 90334), (752, 81685), (799, 76880), (940, 65348), (961, 63920), (1054, 58280), (1240, 49538), (1360, 45167), (1457, 42160), (1598, 38440), (1880, 32674), (1922, 31960), (2108, 29140), (2480, 24769), (2635, 23312), (2914, 21080), (3196, 19220), (3760, 16337), (3844, 15980), (3995, 15376), (4216, 14570), (4805, 12784), (5270, 11656), (5828, 10540), (6392, 9610), (7285, 8432), (7688, 7990)]