264540720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1102253}}^1$

素因数の和:1102269

約数の個数: 40

約数和(自身を含む): 820076976

約数和(自身を除く): 555536256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1102253, 2204506, 3306759, 4409012, 5511265, 6613518, 8818024, 11022530, 13227036, 16533795, 17636048, 22045060, 26454072, 33067590, 44090120, 52908144, 66135180, 88180240, 132270360, 264540720]

約数ペア:

[(1, 264540720), (2, 132270360), (3, 88180240), (4, 66135180), (5, 52908144), (6, 44090120), (8, 33067590), (10, 26454072), (12, 22045060), (15, 17636048), (16, 16533795), (20, 13227036), (24, 11022530), (30, 8818024), (40, 6613518), (48, 5511265), (60, 4409012), (80, 3306759), (120, 2204506), (240, 1102253)]