357799520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 945892080

約数和(自身を除く): 588092560

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, 179, 208, 248, 260, 310, 358, 403, 416, 496, 520, 620, 716, 806, 895, 961, 992, 1040, 1240, 1432, 1612, 1790, 1922, 2015, 2080, 2327, 2480, 2864, 3224, 3580, 3844, 4030, 4654, 4805, 4960, 5549, 5728, 6448, 7160, 7688, 8060, 9308, 9610, 11098, 11635, 12493, 12896, 14320, 15376, 16120, 18616, 19220, 22196, 23270, 24986, 27745, 28640, 30752, 32240, 37232, 38440, 44392, 46540, 49972, 55490, 62465, 64480, 72137, 74464, 76880, 88784, 93080, 99944, 110980, 124930, 144274, 153760, 172019, 177568, 186160, 199888, 221960, 249860, 288548, 344038, 360685, 372320, 399776, 443920, 499720, 577096, 688076, 721370, 860095, 887840, 999440, 1154192, 1376152, 1442740, 1720190, 1998880, 2236247, 2308384, 2752304, 2885480, 3440380, 4472494, 5504608, 5770960, 6880760, 8944988, 11181235, 11541920, 13761520, 17889976, 22362470, 27523040, 35779952, 44724940, 71559904, 89449880, 178899760, 357799520]

約数ペア:

[(1, 357799520), (2, 178899760), (4, 89449880), (5, 71559904), (8, 44724940), (10, 35779952), (13, 27523040), (16, 22362470), (20, 17889976), (26, 13761520), (31, 11541920), (32, 11181235), (40, 8944988), (52, 6880760), (62, 5770960), (65, 5504608), (80, 4472494), (104, 3440380), (124, 2885480), (130, 2752304), (155, 2308384), (160, 2236247), (179, 1998880), (208, 1720190), (248, 1442740), (260, 1376152), (310, 1154192), (358, 999440), (403, 887840), (416, 860095), (496, 721370), (520, 688076), (620, 577096), (716, 499720), (806, 443920), (895, 399776), (961, 372320), (992, 360685), (1040, 344038), (1240, 288548), (1432, 249860), (1612, 221960), (1790, 199888), (1922, 186160), (2015, 177568), (2080, 172019), (2327, 153760), (2480, 144274), (2864, 124930), (3224, 110980), (3580, 99944), (3844, 93080), (4030, 88784), (4654, 76880), (4805, 74464), (4960, 72137), (5549, 64480), (5728, 62465), (6448, 55490), (7160, 49972), (7688, 46540), (8060, 44392), (9308, 38440), (9610, 37232), (11098, 32240), (11635, 30752), (12493, 28640), (12896, 27745), (14320, 24986), (15376, 23270), (16120, 22196), (18616, 19220)]