80007120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111121}}^1$

素因数の和:111140

約数の個数: 60

約数和(自身を含む): 268692996

約数和(自身を除く): 188685876

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, 111121, 222242, 333363, 444484, 555605, 666726, 888968, 1000089, 1111210, 1333452, 1666815, 1777936, 2000178, 2222420, 2666904, 3333630, 4000356, 4444840, 5000445, 5333808, 6667260, 8000712, 8889680, 10000890, 13334520, 16001424, 20001780, 26669040, 40003560, 80007120]

約数ペア:

[(1, 80007120), (2, 40003560), (3, 26669040), (4, 20001780), (5, 16001424), (6, 13334520), (8, 10000890), (9, 8889680), (10, 8000712), (12, 6667260), (15, 5333808), (16, 5000445), (18, 4444840), (20, 4000356), (24, 3333630), (30, 2666904), (36, 2222420), (40, 2000178), (45, 1777936), (48, 1666815), (60, 1333452), (72, 1111210), (80, 1000089), (90, 888968), (120, 666726), (144, 555605), (180, 444484), (240, 333363), (360, 222242), (720, 111121)]