287973180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145441}}^1$

素因数の和:145467

約数の個数: 72

約数和(自身を含む): 952935984

約数和(自身を除く): 664962804

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, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 145441, 290882, 436323, 581764, 727205, 872646, 1308969, 1454410, 1599851, 1745292, 2181615, 2617938, 2908820, 3199702, 4363230, 4799553, 5235876, 6399404, 6544845, 7999255, 8726460, 9599106, 13089690, 14398659, 15998510, 19198212, 23997765, 26179380, 28797318, 31997020, 47995530, 57594636, 71993295, 95991060, 143986590, 287973180]

約数ペア:

[(1, 287973180), (2, 143986590), (3, 95991060), (4, 71993295), (5, 57594636), (6, 47995530), (9, 31997020), (10, 28797318), (11, 26179380), (12, 23997765), (15, 19198212), (18, 15998510), (20, 14398659), (22, 13089690), (30, 9599106), (33, 8726460), (36, 7999255), (44, 6544845), (45, 6399404), (55, 5235876), (60, 4799553), (66, 4363230), (90, 3199702), (99, 2908820), (110, 2617938), (132, 2181615), (165, 1745292), (180, 1599851), (198, 1454410), (220, 1308969), (330, 872646), (396, 727205), (495, 581764), (660, 436323), (990, 290882), (1980, 145441)]