28879860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2689}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 81345600

約数和(自身を除く): 52465740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2148, 2685, 2689, 3580, 5370, 5378, 8067, 10740, 10756, 13445, 16134, 26890, 32268, 40335, 53780, 80670, 161340, 481331, 962662, 1443993, 1925324, 2406655, 2887986, 4813310, 5775972, 7219965, 9626620, 14439930, 28879860]

約数ペア:

[(1, 28879860), (2, 14439930), (3, 9626620), (4, 7219965), (5, 5775972), (6, 4813310), (10, 2887986), (12, 2406655), (15, 1925324), (20, 1443993), (30, 962662), (60, 481331), (179, 161340), (358, 80670), (537, 53780), (716, 40335), (895, 32268), (1074, 26890), (1790, 16134), (2148, 13445), (2685, 10756), (2689, 10740), (3580, 8067), (5370, 5378)]