1665817280

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^2\times {\mathrm{1399}}^1$

素因数の和:1538

約数の個数: 84

約数和(自身を含む): 4035704400

約数和(自身を除く): 2369887120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1399, 1952, 2440, 2798, 3721, 3904, 4880, 5596, 6995, 7442, 9760, 11192, 13990, 14884, 18605, 19520, 22384, 27980, 29768, 37210, 44768, 55960, 59536, 74420, 85339, 89536, 111920, 119072, 148840, 170678, 223840, 238144, 297680, 341356, 426695, 447680, 595360, 682712, 853390, 1190720, 1365424, 1706780, 2730848, 3413560, 5205679, 5461696, 6827120, 10411358, 13654240, 20822716, 26028395, 27308480, 41645432, 52056790, 83290864, 104113580, 166581728, 208227160, 333163456, 416454320, 832908640, 1665817280]

約数ペア:

[(1, 1665817280), (2, 832908640), (4, 416454320), (5, 333163456), (8, 208227160), (10, 166581728), (16, 104113580), (20, 83290864), (32, 52056790), (40, 41645432), (61, 27308480), (64, 26028395), (80, 20822716), (122, 13654240), (160, 10411358), (244, 6827120), (305, 5461696), (320, 5205679), (488, 3413560), (610, 2730848), (976, 1706780), (1220, 1365424), (1399, 1190720), (1952, 853390), (2440, 682712), (2798, 595360), (3721, 447680), (3904, 426695), (4880, 341356), (5596, 297680), (6995, 238144), (7442, 223840), (9760, 170678), (11192, 148840), (13990, 119072), (14884, 111920), (18605, 89536), (19520, 85339), (22384, 74420), (27980, 59536), (29768, 55960), (37210, 44768)]