247162140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 788755968

約数和(自身を除く): 541593828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 227, 230, 263, 276, 345, 414, 454, 460, 526, 681, 690, 789, 828, 908, 1035, 1052, 1135, 1315, 1362, 1380, 1578, 2043, 2070, 2270, 2367, 2630, 2724, 3156, 3405, 3945, 4086, 4140, 4540, 4734, 5221, 5260, 6049, 6810, 7890, 8172, 9468, 10215, 10442, 11835, 12098, 13620, 15663, 15780, 18147, 20430, 20884, 23670, 24196, 26105, 30245, 31326, 36294, 40860, 46989, 47340, 52210, 54441, 59701, 60490, 62652, 72588, 78315, 90735, 93978, 104420, 108882, 119402, 120980, 156630, 179103, 181470, 187956, 217764, 234945, 238804, 272205, 298505, 313260, 358206, 362940, 469890, 537309, 544410, 597010, 716412, 895515, 939780, 1074618, 1088820, 1194020, 1373123, 1791030, 2149236, 2686545, 2746246, 3582060, 4119369, 5373090, 5492492, 6865615, 8238738, 10746180, 12358107, 13731230, 16477476, 20596845, 24716214, 27462460, 41193690, 49432428, 61790535, 82387380, 123581070, 247162140]

約数ペア:

[(1, 247162140), (2, 123581070), (3, 82387380), (4, 61790535), (5, 49432428), (6, 41193690), (9, 27462460), (10, 24716214), (12, 20596845), (15, 16477476), (18, 13731230), (20, 12358107), (23, 10746180), (30, 8238738), (36, 6865615), (45, 5492492), (46, 5373090), (60, 4119369), (69, 3582060), (90, 2746246), (92, 2686545), (115, 2149236), (138, 1791030), (180, 1373123), (207, 1194020), (227, 1088820), (230, 1074618), (263, 939780), (276, 895515), (345, 716412), (414, 597010), (454, 544410), (460, 537309), (526, 469890), (681, 362940), (690, 358206), (789, 313260), (828, 298505), (908, 272205), (1035, 238804), (1052, 234945), (1135, 217764), (1315, 187956), (1362, 181470), (1380, 179103), (1578, 156630), (2043, 120980), (2070, 119402), (2270, 108882), (2367, 104420), (2630, 93978), (2724, 90735), (3156, 78315), (3405, 72588), (3945, 62652), (4086, 60490), (4140, 59701), (4540, 54441), (4734, 52210), (5221, 47340), (5260, 46989), (6049, 40860), (6810, 36294), (7890, 31326), (8172, 30245), (9468, 26105), (10215, 24196), (10442, 23670), (11835, 20884), (12098, 20430), (13620, 18147), (15663, 15780)]