245708480

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 168

約数和(自身を含む): 653759424

約数和(自身を除く): 408050944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 47, 62, 64, 68, 80, 85, 94, 124, 136, 155, 160, 170, 188, 235, 248, 272, 310, 320, 340, 376, 470, 496, 527, 544, 620, 680, 752, 799, 940, 961, 992, 1054, 1088, 1240, 1360, 1457, 1504, 1598, 1880, 1922, 1984, 2108, 2480, 2635, 2720, 2914, 3008, 3196, 3760, 3844, 3995, 4216, 4805, 4960, 5270, 5440, 5828, 6392, 7285, 7520, 7688, 7990, 8432, 9610, 9920, 10540, 11656, 12784, 14570, 15040, 15376, 15980, 16337, 16864, 19220, 21080, 23312, 24769, 25568, 29140, 30752, 31960, 32674, 33728, 38440, 42160, 45167, 46624, 49538, 51136, 58280, 61504, 63920, 65348, 76880, 81685, 84320, 90334, 93248, 99076, 116560, 123845, 127840, 130696, 153760, 163370, 168640, 180668, 198152, 225835, 233120, 247690, 255680, 261392, 307520, 326740, 361336, 396304, 451670, 466240, 495380, 522784, 653480, 722672, 767839, 792608, 903340, 990760, 1045568, 1306960, 1445344, 1535678, 1585216, 1806680, 1981520, 2613920, 2890688, 3071356, 3613360, 3839195, 3963040, 5227840, 6142712, 7226720, 7678390, 7926080, 12285424, 14453440, 15356780, 24570848, 30713560, 49141696, 61427120, 122854240, 245708480]

約数ペア:

[(1, 245708480), (2, 122854240), (4, 61427120), (5, 49141696), (8, 30713560), (10, 24570848), (16, 15356780), (17, 14453440), (20, 12285424), (31, 7926080), (32, 7678390), (34, 7226720), (40, 6142712), (47, 5227840), (62, 3963040), (64, 3839195), (68, 3613360), (80, 3071356), (85, 2890688), (94, 2613920), (124, 1981520), (136, 1806680), (155, 1585216), (160, 1535678), (170, 1445344), (188, 1306960), (235, 1045568), (248, 990760), (272, 903340), (310, 792608), (320, 767839), (340, 722672), (376, 653480), (470, 522784), (496, 495380), (527, 466240), (544, 451670), (620, 396304), (680, 361336), (752, 326740), (799, 307520), (940, 261392), (961, 255680), (992, 247690), (1054, 233120), (1088, 225835), (1240, 198152), (1360, 180668), (1457, 168640), (1504, 163370), (1598, 153760), (1880, 130696), (1922, 127840), (1984, 123845), (2108, 116560), (2480, 99076), (2635, 93248), (2720, 90334), (2914, 84320), (3008, 81685), (3196, 76880), (3760, 65348), (3844, 63920), (3995, 61504), (4216, 58280), (4805, 51136), (4960, 49538), (5270, 46624), (5440, 45167), (5828, 42160), (6392, 38440), (7285, 33728), (7520, 32674), (7688, 31960), (7990, 30752), (8432, 29140), (9610, 25568), (9920, 24769), (10540, 23312), (11656, 21080), (12784, 19220), (14570, 16864), (15040, 16337), (15376, 15980)]