215692020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1198289}}^1$

素因数の和:1198304

約数の個数: 36

約数和(自身を含む): 654266340

約数和(自身を除く): 438574320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1198289, 2396578, 3594867, 4793156, 5991445, 7189734, 10784601, 11982890, 14379468, 17974335, 21569202, 23965780, 35948670, 43138404, 53923005, 71897340, 107846010, 215692020]

約数ペア:

[(1, 215692020), (2, 107846010), (3, 71897340), (4, 53923005), (5, 43138404), (6, 35948670), (9, 23965780), (10, 21569202), (12, 17974335), (15, 14379468), (18, 11982890), (20, 10784601), (30, 7189734), (36, 5991445), (45, 4793156), (60, 3594867), (90, 2396578), (180, 1198289)]