19910160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27653}}^1$

素因数の和:27672

約数の個数: 60

約数和(自身を含む): 66867372

約数和(自身を除く): 46957212

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27653, 55306, 82959, 110612, 138265, 165918, 221224, 248877, 276530, 331836, 414795, 442448, 497754, 553060, 663672, 829590, 995508, 1106120, 1244385, 1327344, 1659180, 1991016, 2212240, 2488770, 3318360, 3982032, 4977540, 6636720, 9955080, 19910160]

約数ペア:

[(1, 19910160), (2, 9955080), (3, 6636720), (4, 4977540), (5, 3982032), (6, 3318360), (8, 2488770), (9, 2212240), (10, 1991016), (12, 1659180), (15, 1327344), (16, 1244385), (18, 1106120), (20, 995508), (24, 829590), (30, 663672), (36, 553060), (40, 497754), (45, 442448), (48, 414795), (60, 331836), (72, 276530), (80, 248877), (90, 221224), (120, 165918), (144, 138265), (180, 110612), (240, 82959), (360, 55306), (720, 27653)]