28621560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21683}}^1$

素因数の和:21708

約数の個数: 64

約数和(自身を含む): 93674880

約数和(自身を除く): 65053320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21683, 43366, 65049, 86732, 108415, 130098, 173464, 216830, 238513, 260196, 325245, 433660, 477026, 520392, 650490, 715539, 867320, 954052, 1192565, 1300980, 1431078, 1908104, 2385130, 2601960, 2862156, 3577695, 4770260, 5724312, 7155390, 9540520, 14310780, 28621560]

約数ペア:

[(1, 28621560), (2, 14310780), (3, 9540520), (4, 7155390), (5, 5724312), (6, 4770260), (8, 3577695), (10, 2862156), (11, 2601960), (12, 2385130), (15, 1908104), (20, 1431078), (22, 1300980), (24, 1192565), (30, 954052), (33, 867320), (40, 715539), (44, 650490), (55, 520392), (60, 477026), (66, 433660), (88, 325245), (110, 260196), (120, 238513), (132, 216830), (165, 173464), (220, 130098), (264, 108415), (330, 86732), (440, 65049), (660, 43366), (1320, 21683)]