31520280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23879}}^1$

素因数の和:23904

約数の個数: 64

約数和(自身を含む): 103161600

約数和(自身を除く): 71641320

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, 23879, 47758, 71637, 95516, 119395, 143274, 191032, 238790, 262669, 286548, 358185, 477580, 525338, 573096, 716370, 788007, 955160, 1050676, 1313345, 1432740, 1576014, 2101352, 2626690, 2865480, 3152028, 3940035, 5253380, 6304056, 7880070, 10506760, 15760140, 31520280]

約数ペア:

[(1, 31520280), (2, 15760140), (3, 10506760), (4, 7880070), (5, 6304056), (6, 5253380), (8, 3940035), (10, 3152028), (11, 2865480), (12, 2626690), (15, 2101352), (20, 1576014), (22, 1432740), (24, 1313345), (30, 1050676), (33, 955160), (40, 788007), (44, 716370), (55, 573096), (60, 525338), (66, 477580), (88, 358185), (110, 286548), (120, 262669), (132, 238790), (165, 191032), (220, 143274), (264, 119395), (330, 95516), (440, 71637), (660, 47758), (1320, 23879)]