61521840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{85447}}^1$

素因数の和:85466

約数の個数: 60

約数和(自身を含む): 206613264

約数和(自身を除く): 145091424

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, 85447, 170894, 256341, 341788, 427235, 512682, 683576, 769023, 854470, 1025364, 1281705, 1367152, 1538046, 1708940, 2050728, 2563410, 3076092, 3417880, 3845115, 4101456, 5126820, 6152184, 6835760, 7690230, 10253640, 12304368, 15380460, 20507280, 30760920, 61521840]

約数ペア:

[(1, 61521840), (2, 30760920), (3, 20507280), (4, 15380460), (5, 12304368), (6, 10253640), (8, 7690230), (9, 6835760), (10, 6152184), (12, 5126820), (15, 4101456), (16, 3845115), (18, 3417880), (20, 3076092), (24, 2563410), (30, 2050728), (36, 1708940), (40, 1538046), (45, 1367152), (48, 1281705), (60, 1025364), (72, 854470), (80, 769023), (90, 683576), (120, 512682), (144, 427235), (180, 341788), (240, 256341), (360, 170894), (720, 85447)]