780045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 64

約数和(自身を含む): 1658880

約数和(自身を除く): 878835

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 23, 35, 51, 57, 69, 85, 95, 105, 115, 119, 133, 161, 255, 285, 323, 345, 357, 391, 399, 437, 483, 595, 665, 805, 969, 1173, 1311, 1615, 1785, 1955, 1995, 2185, 2261, 2415, 2737, 3059, 4845, 5865, 6555, 6783, 7429, 8211, 9177, 11305, 13685, 15295, 22287, 33915, 37145, 41055, 45885, 52003, 111435, 156009, 260015, 780045]

約数ペア:

[(1, 780045), (3, 260015), (5, 156009), (7, 111435), (15, 52003), (17, 45885), (19, 41055), (21, 37145), (23, 33915), (35, 22287), (51, 15295), (57, 13685), (69, 11305), (85, 9177), (95, 8211), (105, 7429), (115, 6783), (119, 6555), (133, 5865), (161, 4845), (255, 3059), (285, 2737), (323, 2415), (345, 2261), (357, 2185), (391, 1995), (399, 1955), (437, 1785), (483, 1615), (595, 1311), (665, 1173), (805, 969)]