396242640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{550337}}^1$

素因数の和:550356

約数の個数: 60

約数和(自身を含む): 1330717284

約数和(自身を除く): 934474644

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, 550337, 1100674, 1651011, 2201348, 2751685, 3302022, 4402696, 4953033, 5503370, 6604044, 8255055, 8805392, 9906066, 11006740, 13208088, 16510110, 19812132, 22013480, 24765165, 26416176, 33020220, 39624264, 44026960, 49530330, 66040440, 79248528, 99060660, 132080880, 198121320, 396242640]

約数ペア:

[(1, 396242640), (2, 198121320), (3, 132080880), (4, 99060660), (5, 79248528), (6, 66040440), (8, 49530330), (9, 44026960), (10, 39624264), (12, 33020220), (15, 26416176), (16, 24765165), (18, 22013480), (20, 19812132), (24, 16510110), (30, 13208088), (36, 11006740), (40, 9906066), (45, 8805392), (48, 8255055), (60, 6604044), (72, 5503370), (80, 4953033), (90, 4402696), (120, 3302022), (144, 2751685), (180, 2201348), (240, 1651011), (360, 1100674), (720, 550337)]