65580720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{273253}}^1$

素因数の和:273269

約数の個数: 40

約数和(自身を含む): 203300976

約数和(自身を除く): 137720256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 273253, 546506, 819759, 1093012, 1366265, 1639518, 2186024, 2732530, 3279036, 4098795, 4372048, 5465060, 6558072, 8197590, 10930120, 13116144, 16395180, 21860240, 32790360, 65580720]

約数ペア:

[(1, 65580720), (2, 32790360), (3, 21860240), (4, 16395180), (5, 13116144), (6, 10930120), (8, 8197590), (10, 6558072), (12, 5465060), (15, 4372048), (16, 4098795), (20, 3279036), (24, 2732530), (30, 2186024), (40, 1639518), (48, 1366265), (60, 1093012), (80, 819759), (120, 546506), (240, 273253)]