257056830

素因数分解:

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

素因数の和:9930

約数の個数: 72

約数和(自身を含む): 710046792

約数和(自身を除く): 452989962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 765, 867, 1445, 1530, 1734, 2601, 2890, 4335, 5202, 8670, 9883, 13005, 19766, 26010, 29649, 49415, 59298, 88947, 98830, 148245, 168011, 177894, 296490, 336022, 444735, 504033, 840055, 889470, 1008066, 1512099, 1680110, 2520165, 2856187, 3024198, 5040330, 5712374, 7560495, 8568561, 14280935, 15120990, 17137122, 25705683, 28561870, 42842805, 51411366, 85685610, 128528415, 257056830]

約数ペア:

[(1, 257056830), (2, 128528415), (3, 85685610), (5, 51411366), (6, 42842805), (9, 28561870), (10, 25705683), (15, 17137122), (17, 15120990), (18, 14280935), (30, 8568561), (34, 7560495), (45, 5712374), (51, 5040330), (85, 3024198), (90, 2856187), (102, 2520165), (153, 1680110), (170, 1512099), (255, 1008066), (289, 889470), (306, 840055), (510, 504033), (578, 444735), (765, 336022), (867, 296490), (1445, 177894), (1530, 168011), (1734, 148245), (2601, 98830), (2890, 88947), (4335, 59298), (5202, 49415), (8670, 29649), (9883, 26010), (13005, 19766)]