261586080

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25951}}^1$

素因数の和:25979

約数の個数: 144

約数和(自身を含む): 1020225024

約数和(自身を除く): 758638944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25951, 51902, 77853, 103804, 129755, 155706, 181657, 207608, 233559, 259510, 311412, 363314, 389265, 415216, 467118, 519020, 544971, 622824, 726628, 778530, 830432, 908285, 934236, 1038040, 1089942, 1167795, 1245648, 1453256, 1557060, 1634913, 1816570, 1868472, 2076080, 2179884, 2335590, 2491296, 2724855, 2906512, 3114120, 3269826, 3633140, 3736944, 4152160, 4359768, 4671180, 5449710, 5813024, 6228240, 6539652, 7266280, 7473888, 8174565, 8719536, 9342360, 10899420, 12456480, 13079304, 14532560, 16349130, 17439072, 18684720, 21798840, 26158608, 29065120, 32698260, 37369440, 43597680, 52317216, 65396520, 87195360, 130793040, 261586080]

約数ペア:

[(1, 261586080), (2, 130793040), (3, 87195360), (4, 65396520), (5, 52317216), (6, 43597680), (7, 37369440), (8, 32698260), (9, 29065120), (10, 26158608), (12, 21798840), (14, 18684720), (15, 17439072), (16, 16349130), (18, 14532560), (20, 13079304), (21, 12456480), (24, 10899420), (28, 9342360), (30, 8719536), (32, 8174565), (35, 7473888), (36, 7266280), (40, 6539652), (42, 6228240), (45, 5813024), (48, 5449710), (56, 4671180), (60, 4359768), (63, 4152160), (70, 3736944), (72, 3633140), (80, 3269826), (84, 3114120), (90, 2906512), (96, 2724855), (105, 2491296), (112, 2335590), (120, 2179884), (126, 2076080), (140, 1868472), (144, 1816570), (160, 1634913), (168, 1557060), (180, 1453256), (210, 1245648), (224, 1167795), (240, 1089942), (252, 1038040), (280, 934236), (288, 908285), (315, 830432), (336, 778530), (360, 726628), (420, 622824), (480, 544971), (504, 519020), (560, 467118), (630, 415216), (672, 389265), (720, 363314), (840, 311412), (1008, 259510), (1120, 233559), (1260, 207608), (1440, 181657), (1680, 155706), (2016, 129755), (2520, 103804), (3360, 77853), (5040, 51902), (10080, 25951)]