28402680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6397}}^1$

素因数の和:6448

約数の個数: 64

約数和(自身を含む): 87524640

約数和(自身を除く): 59121960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 6397, 12794, 19191, 25588, 31985, 38382, 51176, 63970, 76764, 95955, 127940, 153528, 191910, 236689, 255880, 383820, 473378, 710067, 767640, 946756, 1183445, 1420134, 1893512, 2366890, 2840268, 3550335, 4733780, 5680536, 7100670, 9467560, 14201340, 28402680]

約数ペア:

[(1, 28402680), (2, 14201340), (3, 9467560), (4, 7100670), (5, 5680536), (6, 4733780), (8, 3550335), (10, 2840268), (12, 2366890), (15, 1893512), (20, 1420134), (24, 1183445), (30, 946756), (37, 767640), (40, 710067), (60, 473378), (74, 383820), (111, 255880), (120, 236689), (148, 191910), (185, 153528), (222, 127940), (296, 95955), (370, 76764), (444, 63970), (555, 51176), (740, 38382), (888, 31985), (1110, 25588), (1480, 19191), (2220, 12794), (4440, 6397)]