66478880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1090

約数の個数: 96

約数和(自身を含む): 174763008

約数和(自身を除く): 108284128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1031, 1040, 1240, 1612, 2015, 2062, 2080, 2480, 3224, 4030, 4124, 4960, 5155, 6448, 8060, 8248, 10310, 12896, 13403, 16120, 16496, 20620, 26806, 31961, 32240, 32992, 41240, 53612, 63922, 64480, 67015, 82480, 107224, 127844, 134030, 159805, 164960, 214448, 255688, 268060, 319610, 415493, 428896, 511376, 536120, 639220, 830986, 1022752, 1072240, 1278440, 1661972, 2077465, 2144480, 2556880, 3323944, 4154930, 5113760, 6647888, 8309860, 13295776, 16619720, 33239440, 66478880]

約数ペア:

[(1, 66478880), (2, 33239440), (4, 16619720), (5, 13295776), (8, 8309860), (10, 6647888), (13, 5113760), (16, 4154930), (20, 3323944), (26, 2556880), (31, 2144480), (32, 2077465), (40, 1661972), (52, 1278440), (62, 1072240), (65, 1022752), (80, 830986), (104, 639220), (124, 536120), (130, 511376), (155, 428896), (160, 415493), (208, 319610), (248, 268060), (260, 255688), (310, 214448), (403, 164960), (416, 159805), (496, 134030), (520, 127844), (620, 107224), (806, 82480), (992, 67015), (1031, 64480), (1040, 63922), (1240, 53612), (1612, 41240), (2015, 32992), (2062, 32240), (2080, 31961), (2480, 26806), (3224, 20620), (4030, 16496), (4124, 16120), (4960, 13403), (5155, 12896), (6448, 10310), (8060, 8248)]