28785780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5923}}^1$

素因数の和:5947

約数の個数: 72

約数和(自身を含む): 90566112

約数和(自身を除く): 61780332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5923, 11846, 17769, 23692, 29615, 35538, 53307, 59230, 71076, 88845, 106614, 118460, 159921, 177690, 213228, 266535, 319842, 355380, 479763, 533070, 639684, 799605, 959526, 1066140, 1439289, 1599210, 1919052, 2398815, 2878578, 3198420, 4797630, 5757156, 7196445, 9595260, 14392890, 28785780]

約数ペア:

[(1, 28785780), (2, 14392890), (3, 9595260), (4, 7196445), (5, 5757156), (6, 4797630), (9, 3198420), (10, 2878578), (12, 2398815), (15, 1919052), (18, 1599210), (20, 1439289), (27, 1066140), (30, 959526), (36, 799605), (45, 639684), (54, 533070), (60, 479763), (81, 355380), (90, 319842), (108, 266535), (135, 213228), (162, 177690), (180, 159921), (243, 118460), (270, 106614), (324, 88845), (405, 71076), (486, 59230), (540, 53307), (810, 35538), (972, 29615), (1215, 23692), (1620, 17769), (2430, 11846), (4860, 5923)]