39841380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 121375800

約数和(自身を除く): 81534420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 569, 778, 1138, 1167, 1556, 1707, 1945, 2276, 2334, 2845, 3414, 3501, 3890, 4668, 5121, 5690, 5835, 6828, 7002, 7780, 8535, 10242, 11380, 11670, 14004, 17070, 17505, 20484, 23340, 25605, 34140, 35010, 51210, 70020, 102420, 221341, 442682, 664023, 885364, 1106705, 1328046, 1992069, 2213410, 2656092, 3320115, 3984138, 4426820, 6640230, 7968276, 9960345, 13280460, 19920690, 39841380]

約数ペア:

[(1, 39841380), (2, 19920690), (3, 13280460), (4, 9960345), (5, 7968276), (6, 6640230), (9, 4426820), (10, 3984138), (12, 3320115), (15, 2656092), (18, 2213410), (20, 1992069), (30, 1328046), (36, 1106705), (45, 885364), (60, 664023), (90, 442682), (180, 221341), (389, 102420), (569, 70020), (778, 51210), (1138, 35010), (1167, 34140), (1556, 25605), (1707, 23340), (1945, 20484), (2276, 17505), (2334, 17070), (2845, 14004), (3414, 11670), (3501, 11380), (3890, 10242), (4668, 8535), (5121, 7780), (5690, 7002), (5835, 6828)]