680178955105

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^2\times {\mathrm{419}}^1\times {\mathrm{1039}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 907894915200

約数和(自身を除く): 227715960095

約数列:

[1, 5, 13, 43, 65, 169, 215, 419, 559, 845, 1039, 1849, 2095, 2795, 5195, 5447, 7267, 9245, 13507, 18017, 24037, 27235, 36335, 44677, 67535, 70811, 90085, 120185, 175591, 223385, 234221, 312481, 354055, 435341, 580801, 774731, 877955, 1171105, 1562405, 1921111, 2176705, 2904005, 3044873, 3873655, 5659433, 7550413, 9605555, 10071503, 15224365, 18719663, 24974443, 28297165, 37752065, 50357515, 73572629, 93598315, 124872215, 130929539, 243355619, 324667759, 367863145, 654647695, 804945509, 1216778095, 1623338795, 3163623047, 4024727545, 10464291617, 15818115235, 52321458085, 136035791021, 680178955105]

約数ペア:

[(1, 680178955105), (5, 136035791021), (13, 52321458085), (43, 15818115235), (65, 10464291617), (169, 4024727545), (215, 3163623047), (419, 1623338795), (559, 1216778095), (845, 804945509), (1039, 654647695), (1849, 367863145), (2095, 324667759), (2795, 243355619), (5195, 130929539), (5447, 124872215), (7267, 93598315), (9245, 73572629), (13507, 50357515), (18017, 37752065), (24037, 28297165), (27235, 24974443), (36335, 18719663), (44677, 15224365), (67535, 10071503), (70811, 9605555), (90085, 7550413), (120185, 5659433), (175591, 3873655), (223385, 3044873), (234221, 2904005), (312481, 2176705), (354055, 1921111), (435341, 1562405), (580801, 1171105), (774731, 877955)]