405936240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1691401}}^1$

素因数の和:1691417

約数の個数: 40

約数和(自身を含む): 1258403088

約数和(自身を除く): 852466848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1691401, 3382802, 5074203, 6765604, 8457005, 10148406, 13531208, 16914010, 20296812, 25371015, 27062416, 33828020, 40593624, 50742030, 67656040, 81187248, 101484060, 135312080, 202968120, 405936240]

約数ペア:

[(1, 405936240), (2, 202968120), (3, 135312080), (4, 101484060), (5, 81187248), (6, 67656040), (8, 50742030), (10, 40593624), (12, 33828020), (15, 27062416), (16, 25371015), (20, 20296812), (24, 16914010), (30, 13531208), (40, 10148406), (48, 8457005), (60, 6765604), (80, 5074203), (120, 3382802), (240, 1691401)]