1806968520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{239017}}^1$

素因数の和:239044

約数の個数: 128

約数和(自身を含む): 6883718400

約数和(自身を除く): 5076749880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 239017, 478034, 717051, 956068, 1195085, 1434102, 1673119, 1912136, 2151153, 2390170, 2868204, 3346238, 3585255, 4302306, 4780340, 5019357, 5736408, 6453459, 6692476, 7170510, 8365595, 8604612, 9560680, 10038714, 10755765, 12906918, 13384952, 14341020, 15058071, 16731190, 17209224, 20077428, 21511530, 25096785, 25813836, 28682040, 30116142, 32267295, 33462380, 40154856, 43023060, 45174213, 50193570, 51627672, 60232284, 64534590, 66924760, 75290355, 86046120, 90348426, 100387140, 120464568, 129069180, 150580710, 180696852, 200774280, 225871065, 258138360, 301161420, 361393704, 451742130, 602322840, 903484260, 1806968520]

約数ペア:

[(1, 1806968520), (2, 903484260), (3, 602322840), (4, 451742130), (5, 361393704), (6, 301161420), (7, 258138360), (8, 225871065), (9, 200774280), (10, 180696852), (12, 150580710), (14, 129069180), (15, 120464568), (18, 100387140), (20, 90348426), (21, 86046120), (24, 75290355), (27, 66924760), (28, 64534590), (30, 60232284), (35, 51627672), (36, 50193570), (40, 45174213), (42, 43023060), (45, 40154856), (54, 33462380), (56, 32267295), (60, 30116142), (63, 28682040), (70, 25813836), (72, 25096785), (84, 21511530), (90, 20077428), (105, 17209224), (108, 16731190), (120, 15058071), (126, 14341020), (135, 13384952), (140, 12906918), (168, 10755765), (180, 10038714), (189, 9560680), (210, 8604612), (216, 8365595), (252, 7170510), (270, 6692476), (280, 6453459), (315, 5736408), (360, 5019357), (378, 4780340), (420, 4302306), (504, 3585255), (540, 3346238), (630, 2868204), (756, 2390170), (840, 2151153), (945, 1912136), (1080, 1673119), (1260, 1434102), (1512, 1195085), (1890, 956068), (2520, 717051), (3780, 478034), (7560, 239017)]