64887120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90121}}^1$

素因数の和:90140

約数の個数: 60

約数和(自身を含む): 217914996

約数和(自身を除く): 153027876

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, 90121, 180242, 270363, 360484, 450605, 540726, 720968, 811089, 901210, 1081452, 1351815, 1441936, 1622178, 1802420, 2162904, 2703630, 3244356, 3604840, 4055445, 4325808, 5407260, 6488712, 7209680, 8110890, 10814520, 12977424, 16221780, 21629040, 32443560, 64887120]

約数ペア:

[(1, 64887120), (2, 32443560), (3, 21629040), (4, 16221780), (5, 12977424), (6, 10814520), (8, 8110890), (9, 7209680), (10, 6488712), (12, 5407260), (15, 4325808), (16, 4055445), (18, 3604840), (20, 3244356), (24, 2703630), (30, 2162904), (36, 1802420), (40, 1622178), (45, 1441936), (48, 1351815), (60, 1081452), (72, 901210), (80, 811089), (90, 720968), (120, 540726), (144, 450605), (180, 360484), (240, 270363), (360, 180242), (720, 90121)]