259380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 864864

約数和(自身を除く): 605484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 131, 132, 165, 180, 198, 220, 262, 330, 393, 396, 495, 524, 655, 660, 786, 990, 1179, 1310, 1441, 1572, 1965, 1980, 2358, 2620, 2882, 3930, 4323, 4716, 5764, 5895, 7205, 7860, 8646, 11790, 12969, 14410, 17292, 21615, 23580, 25938, 28820, 43230, 51876, 64845, 86460, 129690, 259380]

約数ペア:

[(1, 259380), (2, 129690), (3, 86460), (4, 64845), (5, 51876), (6, 43230), (9, 28820), (10, 25938), (11, 23580), (12, 21615), (15, 17292), (18, 14410), (20, 12969), (22, 11790), (30, 8646), (33, 7860), (36, 7205), (44, 5895), (45, 5764), (55, 4716), (60, 4323), (66, 3930), (90, 2882), (99, 2620), (110, 2358), (131, 1980), (132, 1965), (165, 1572), (180, 1441), (198, 1310), (220, 1179), (262, 990), (330, 786), (393, 660), (396, 655), (495, 524)]