28005780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42433}}^1$

素因数の和:42456

約数の個数: 48

約数和(自身を含む): 85546944

約数和(自身を除く): 57541164

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42433, 84866, 127299, 169732, 212165, 254598, 424330, 466763, 509196, 636495, 848660, 933526, 1272990, 1400289, 1867052, 2333815, 2545980, 2800578, 4667630, 5601156, 7001445, 9335260, 14002890, 28005780]

約数ペア:

[(1, 28005780), (2, 14002890), (3, 9335260), (4, 7001445), (5, 5601156), (6, 4667630), (10, 2800578), (11, 2545980), (12, 2333815), (15, 1867052), (20, 1400289), (22, 1272990), (30, 933526), (33, 848660), (44, 636495), (55, 509196), (60, 466763), (66, 424330), (110, 254598), (132, 212165), (165, 169732), (220, 127299), (330, 84866), (660, 42433)]