219445740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{406381}}^1$

素因数の和:406399

約数の個数: 48

約数和(自身を含む): 682721760

約数和(自身を除く): 463276020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 406381, 812762, 1219143, 1625524, 2031905, 2438286, 3657429, 4063810, 4876572, 6095715, 7314858, 8127620, 10972287, 12191430, 14629716, 18287145, 21944574, 24382860, 36574290, 43889148, 54861435, 73148580, 109722870, 219445740]

約数ペア:

[(1, 219445740), (2, 109722870), (3, 73148580), (4, 54861435), (5, 43889148), (6, 36574290), (9, 24382860), (10, 21944574), (12, 18287145), (15, 14629716), (18, 12191430), (20, 10972287), (27, 8127620), (30, 7314858), (36, 6095715), (45, 4876572), (54, 4063810), (60, 3657429), (90, 2438286), (108, 2031905), (135, 1625524), (180, 1219143), (270, 812762), (540, 406381)]