128125515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 250076160

約数和(自身を除く): 121950645

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 179, 255, 357, 401, 537, 595, 895, 1203, 1253, 1785, 2005, 2685, 2807, 3043, 3759, 6015, 6265, 6817, 8421, 9129, 14035, 15215, 18795, 20451, 21301, 34085, 42105, 45645, 47719, 63903, 71779, 102255, 106505, 143157, 215337, 238595, 319515, 358895, 502453, 715785, 1076685, 1220243, 1507359, 2512265, 3660729, 6101215, 7536795, 8541701, 18303645, 25625103, 42708505, 128125515]

約数ペア:

[(1, 128125515), (3, 42708505), (5, 25625103), (7, 18303645), (15, 8541701), (17, 7536795), (21, 6101215), (35, 3660729), (51, 2512265), (85, 1507359), (105, 1220243), (119, 1076685), (179, 715785), (255, 502453), (357, 358895), (401, 319515), (537, 238595), (595, 215337), (895, 143157), (1203, 106505), (1253, 102255), (1785, 71779), (2005, 63903), (2685, 47719), (2807, 45645), (3043, 42105), (3759, 34085), (6015, 21301), (6265, 20451), (6817, 18795), (8421, 15215), (9129, 14035)]