1520335075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 2390061312

約数和(自身を除く): 869726237

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 289, 391, 425, 575, 595, 805, 1307, 1445, 1955, 2023, 2737, 2975, 4025, 6535, 6647, 7225, 9149, 9775, 10115, 13685, 22219, 30061, 32675, 33235, 45745, 46529, 50575, 68425, 111095, 150305, 155533, 166175, 210427, 228725, 232645, 377723, 511037, 555475, 751525, 777665, 1052135, 1163225, 1888615, 2555185, 2644061, 3577259, 3888325, 5260675, 8687629, 9443075, 12775925, 13220305, 17886295, 43438145, 60813403, 66101525, 89431475, 217190725, 304067015, 1520335075]

約数ペア:

[(1, 1520335075), (5, 304067015), (7, 217190725), (17, 89431475), (23, 66101525), (25, 60813403), (35, 43438145), (85, 17886295), (115, 13220305), (119, 12775925), (161, 9443075), (175, 8687629), (289, 5260675), (391, 3888325), (425, 3577259), (575, 2644061), (595, 2555185), (805, 1888615), (1307, 1163225), (1445, 1052135), (1955, 777665), (2023, 751525), (2737, 555475), (2975, 511037), (4025, 377723), (6535, 232645), (6647, 228725), (7225, 210427), (9149, 166175), (9775, 155533), (10115, 150305), (13685, 111095), (22219, 68425), (30061, 50575), (32675, 46529), (33235, 45745)]