161294240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1049}}^1$

素因数の和:1126

約数の個数: 72

約数和(自身を含む): 394121700

約数和(自身を除く): 232827460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1049, 1240, 1922, 2098, 2480, 3844, 4196, 4805, 4960, 5245, 7688, 8392, 9610, 10490, 15376, 16784, 19220, 20980, 30752, 32519, 33568, 38440, 41960, 65038, 76880, 83920, 130076, 153760, 162595, 167840, 260152, 325190, 520304, 650380, 1008089, 1040608, 1300760, 2016178, 2601520, 4032356, 5040445, 5203040, 8064712, 10080890, 16129424, 20161780, 32258848, 40323560, 80647120, 161294240]

約数ペア:

[(1, 161294240), (2, 80647120), (4, 40323560), (5, 32258848), (8, 20161780), (10, 16129424), (16, 10080890), (20, 8064712), (31, 5203040), (32, 5040445), (40, 4032356), (62, 2601520), (80, 2016178), (124, 1300760), (155, 1040608), (160, 1008089), (248, 650380), (310, 520304), (496, 325190), (620, 260152), (961, 167840), (992, 162595), (1049, 153760), (1240, 130076), (1922, 83920), (2098, 76880), (2480, 65038), (3844, 41960), (4196, 38440), (4805, 33568), (4960, 32519), (5245, 30752), (7688, 20980), (8392, 19220), (9610, 16784), (10490, 15376)]