131335760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 317342784

約数和(自身を除く): 186007024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 292, 344, 365, 430, 523, 584, 688, 730, 860, 1046, 1168, 1460, 1720, 2092, 2615, 2920, 3139, 3440, 4184, 5230, 5840, 6278, 8368, 10460, 12556, 15695, 20920, 22489, 25112, 31390, 38179, 41840, 44978, 50224, 62780, 76358, 89956, 112445, 125560, 152716, 179912, 190895, 224890, 251120, 305432, 359824, 381790, 449780, 610864, 763580, 899560, 1527160, 1641697, 1799120, 3054320, 3283394, 6566788, 8208485, 13133576, 16416970, 26267152, 32833940, 65667880, 131335760]

約数ペア:

[(1, 131335760), (2, 65667880), (4, 32833940), (5, 26267152), (8, 16416970), (10, 13133576), (16, 8208485), (20, 6566788), (40, 3283394), (43, 3054320), (73, 1799120), (80, 1641697), (86, 1527160), (146, 899560), (172, 763580), (215, 610864), (292, 449780), (344, 381790), (365, 359824), (430, 305432), (523, 251120), (584, 224890), (688, 190895), (730, 179912), (860, 152716), (1046, 125560), (1168, 112445), (1460, 89956), (1720, 76358), (2092, 62780), (2615, 50224), (2920, 44978), (3139, 41840), (3440, 38179), (4184, 31390), (5230, 25112), (5840, 22489), (6278, 20920), (8368, 15695), (10460, 12556)]