720172215

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4793}}^1$

素因数の和:4870

約数の個数: 80

約数和(自身を含む): 1503551808

約数和(自身を除く): 783379593

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 81, 105, 135, 159, 189, 265, 315, 371, 405, 477, 567, 795, 945, 1113, 1431, 1855, 2385, 2835, 3339, 4293, 4793, 5565, 7155, 10017, 14379, 16695, 21465, 23965, 30051, 33551, 43137, 50085, 71895, 100653, 129411, 150255, 167755, 215685, 254029, 301959, 388233, 503265, 647055, 762087, 905877, 1270145, 1509795, 1778203, 1941165, 2286261, 2717631, 3810435, 4529385, 5334609, 6858783, 8891015, 11431305, 13588155, 16003827, 20576349, 26673045, 34293915, 48011481, 80019135, 102881745, 144034443, 240057405, 720172215]

約数ペア:

[(1, 720172215), (3, 240057405), (5, 144034443), (7, 102881745), (9, 80019135), (15, 48011481), (21, 34293915), (27, 26673045), (35, 20576349), (45, 16003827), (53, 13588155), (63, 11431305), (81, 8891015), (105, 6858783), (135, 5334609), (159, 4529385), (189, 3810435), (265, 2717631), (315, 2286261), (371, 1941165), (405, 1778203), (477, 1509795), (567, 1270145), (795, 905877), (945, 762087), (1113, 647055), (1431, 503265), (1855, 388233), (2385, 301959), (2835, 254029), (3339, 215685), (4293, 167755), (4793, 150255), (5565, 129411), (7155, 100653), (10017, 71895), (14379, 50085), (16695, 43137), (21465, 33551), (23965, 30051)]