180007920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{27779}}^1$

素因数の和:27804

約数の個数: 100

約数和(自身を含む): 625216680

約数和(自身を除く): 445208760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 27779, 55558, 83337, 111116, 138895, 166674, 222232, 250011, 277790, 333348, 416685, 444464, 500022, 555580, 666696, 750033, 833370, 1000044, 1111160, 1250055, 1333392, 1500066, 1666740, 2000088, 2222320, 2250099, 2500110, 3000132, 3333480, 3750165, 4000176, 4500198, 5000220, 6000264, 6666960, 7500330, 9000396, 10000440, 11250495, 12000528, 15000660, 18000792, 20000880, 22500990, 30001320, 36001584, 45001980, 60002640, 90003960, 180007920]

約数ペア:

[(1, 180007920), (2, 90003960), (3, 60002640), (4, 45001980), (5, 36001584), (6, 30001320), (8, 22500990), (9, 20000880), (10, 18000792), (12, 15000660), (15, 12000528), (16, 11250495), (18, 10000440), (20, 9000396), (24, 7500330), (27, 6666960), (30, 6000264), (36, 5000220), (40, 4500198), (45, 4000176), (48, 3750165), (54, 3333480), (60, 3000132), (72, 2500110), (80, 2250099), (81, 2222320), (90, 2000088), (108, 1666740), (120, 1500066), (135, 1333392), (144, 1250055), (162, 1111160), (180, 1000044), (216, 833370), (240, 750033), (270, 666696), (324, 555580), (360, 500022), (405, 444464), (432, 416685), (540, 333348), (648, 277790), (720, 250011), (810, 222232), (1080, 166674), (1296, 138895), (1620, 111116), (2160, 83337), (3240, 55558), (6480, 27779)]