87172960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11119}}^1$

素因数の和:11148

約数の個数: 72

約数和(自身を含む): 239591520

約数和(自身を除く): 152418560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11119, 22238, 44476, 55595, 77833, 88952, 111190, 155666, 177904, 222380, 311332, 355808, 389165, 444760, 544831, 622664, 778330, 889520, 1089662, 1245328, 1556660, 1779040, 2179324, 2490656, 2724155, 3113320, 4358648, 5448310, 6226640, 8717296, 10896620, 12453280, 17434592, 21793240, 43586480, 87172960]

約数ペア:

[(1, 87172960), (2, 43586480), (4, 21793240), (5, 17434592), (7, 12453280), (8, 10896620), (10, 8717296), (14, 6226640), (16, 5448310), (20, 4358648), (28, 3113320), (32, 2724155), (35, 2490656), (40, 2179324), (49, 1779040), (56, 1556660), (70, 1245328), (80, 1089662), (98, 889520), (112, 778330), (140, 622664), (160, 544831), (196, 444760), (224, 389165), (245, 355808), (280, 311332), (392, 222380), (490, 177904), (560, 155666), (784, 111190), (980, 88952), (1120, 77833), (1568, 55595), (1960, 44476), (3920, 22238), (7840, 11119)]