68915600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 120

約数和(自身を含む): 184857960

約数和(自身を除く): 115942360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 130, 145, 200, 208, 232, 260, 290, 325, 377, 400, 457, 464, 520, 580, 650, 725, 754, 914, 1040, 1160, 1300, 1450, 1508, 1828, 1885, 2285, 2320, 2600, 2900, 3016, 3656, 3770, 4570, 5200, 5800, 5941, 6032, 7312, 7540, 9140, 9425, 11425, 11600, 11882, 13253, 15080, 18280, 18850, 22850, 23764, 26506, 29705, 30160, 36560, 37700, 45700, 47528, 53012, 59410, 66265, 75400, 91400, 95056, 106024, 118820, 132530, 148525, 150800, 172289, 182800, 212048, 237640, 265060, 297050, 331325, 344578, 475280, 530120, 594100, 662650, 689156, 861445, 1060240, 1188200, 1325300, 1378312, 1722890, 2376400, 2650600, 2756624, 3445780, 4307225, 5301200, 6891560, 8614450, 13783120, 17228900, 34457800, 68915600]

約数ペア:

[(1, 68915600), (2, 34457800), (4, 17228900), (5, 13783120), (8, 8614450), (10, 6891560), (13, 5301200), (16, 4307225), (20, 3445780), (25, 2756624), (26, 2650600), (29, 2376400), (40, 1722890), (50, 1378312), (52, 1325300), (58, 1188200), (65, 1060240), (80, 861445), (100, 689156), (104, 662650), (116, 594100), (130, 530120), (145, 475280), (200, 344578), (208, 331325), (232, 297050), (260, 265060), (290, 237640), (325, 212048), (377, 182800), (400, 172289), (457, 150800), (464, 148525), (520, 132530), (580, 118820), (650, 106024), (725, 95056), (754, 91400), (914, 75400), (1040, 66265), (1160, 59410), (1300, 53012), (1450, 47528), (1508, 45700), (1828, 37700), (1885, 36560), (2285, 30160), (2320, 29705), (2600, 26506), (2900, 23764), (3016, 22850), (3656, 18850), (3770, 18280), (4570, 15080), (5200, 13253), (5800, 11882), (5941, 11600), (6032, 11425), (7312, 9425), (7540, 9140)]