72138960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{100193}}^1$

素因数の和:100212

約数の個数: 60

約数和(自身を含む): 242269092

約数和(自身を除く): 170130132

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 100193, 200386, 300579, 400772, 500965, 601158, 801544, 901737, 1001930, 1202316, 1502895, 1603088, 1803474, 2003860, 2404632, 3005790, 3606948, 4007720, 4508685, 4809264, 6011580, 7213896, 8015440, 9017370, 12023160, 14427792, 18034740, 24046320, 36069480, 72138960]

約数ペア:

[(1, 72138960), (2, 36069480), (3, 24046320), (4, 18034740), (5, 14427792), (6, 12023160), (8, 9017370), (9, 8015440), (10, 7213896), (12, 6011580), (15, 4809264), (16, 4508685), (18, 4007720), (20, 3606948), (24, 3005790), (30, 2404632), (36, 2003860), (40, 1803474), (45, 1603088), (48, 1502895), (60, 1202316), (72, 1001930), (80, 901737), (90, 801544), (120, 601158), (144, 500965), (180, 400772), (240, 300579), (360, 200386), (720, 100193)]