80005680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111119}}^1$

素因数の和:111138

約数の個数: 60

約数和(自身を含む): 268688160

約数和(自身を除く): 188682480

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, 111119, 222238, 333357, 444476, 555595, 666714, 888952, 1000071, 1111190, 1333428, 1666785, 1777904, 2000142, 2222380, 2666856, 3333570, 4000284, 4444760, 5000355, 5333712, 6667140, 8000568, 8889520, 10000710, 13334280, 16001136, 20001420, 26668560, 40002840, 80005680]

約数ペア:

[(1, 80005680), (2, 40002840), (3, 26668560), (4, 20001420), (5, 16001136), (6, 13334280), (8, 10000710), (9, 8889520), (10, 8000568), (12, 6667140), (15, 5333712), (16, 5000355), (18, 4444760), (20, 4000284), (24, 3333570), (30, 2666856), (36, 2222380), (40, 2000142), (45, 1777904), (48, 1666785), (60, 1333428), (72, 1111190), (80, 1000071), (90, 888952), (120, 666714), (144, 555595), (180, 444476), (240, 333357), (360, 222238), (720, 111119)]