15120990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9883}}^1$

素因数の和:9913

約数の個数: 48

約数和(自身を含む): 41631408

約数和(自身を除く): 26510418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 9883, 19766, 29649, 49415, 59298, 88947, 98830, 148245, 168011, 177894, 296490, 336022, 444735, 504033, 840055, 889470, 1008066, 1512099, 1680110, 2520165, 3024198, 5040330, 7560495, 15120990]

約数ペア:

[(1, 15120990), (2, 7560495), (3, 5040330), (5, 3024198), (6, 2520165), (9, 1680110), (10, 1512099), (15, 1008066), (17, 889470), (18, 840055), (30, 504033), (34, 444735), (45, 336022), (51, 296490), (85, 177894), (90, 168011), (102, 148245), (153, 98830), (170, 88947), (255, 59298), (306, 49415), (510, 29649), (765, 19766), (1530, 9883)]