81465840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113147}}^1$

素因数の和:113166

約数の個数: 60

約数和(自身を含む): 273591864

約数和(自身を除く): 192126024

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, 113147, 226294, 339441, 452588, 565735, 678882, 905176, 1018323, 1131470, 1357764, 1697205, 1810352, 2036646, 2262940, 2715528, 3394410, 4073292, 4525880, 5091615, 5431056, 6788820, 8146584, 9051760, 10183230, 13577640, 16293168, 20366460, 27155280, 40732920, 81465840]

約数ペア:

[(1, 81465840), (2, 40732920), (3, 27155280), (4, 20366460), (5, 16293168), (6, 13577640), (8, 10183230), (9, 9051760), (10, 8146584), (12, 6788820), (15, 5431056), (16, 5091615), (18, 4525880), (20, 4073292), (24, 3394410), (30, 2715528), (36, 2262940), (40, 2036646), (45, 1810352), (48, 1697205), (60, 1357764), (72, 1131470), (80, 1018323), (90, 905176), (120, 678882), (144, 565735), (180, 452588), (240, 339441), (360, 226294), (720, 113147)]