281665440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27943}}^1$

素因数の和:27971

約数の個数: 144

約数和(自身を含む): 1098534528

約数和(自身を除く): 816869088

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, 27943, 55886, 83829, 111772, 139715, 167658, 195601, 223544, 251487, 279430, 335316, 391202, 419145, 447088, 502974, 558860, 586803, 670632, 782404, 838290, 894176, 978005, 1005948, 1117720, 1173606, 1257435, 1341264, 1564808, 1676580, 1760409, 1956010, 2011896, 2235440, 2347212, 2514870, 2682528, 2934015, 3129616, 3353160, 3520818, 3912020, 4023792, 4470880, 4694424, 5029740, 5868030, 6259232, 6706320, 7041636, 7824040, 8047584, 8802045, 9388848, 10059480, 11736060, 13412640, 14083272, 15648080, 17604090, 18777696, 20118960, 23472120, 28166544, 31296160, 35208180, 40237920, 46944240, 56333088, 70416360, 93888480, 140832720, 281665440]

約数ペア:

[(1, 281665440), (2, 140832720), (3, 93888480), (4, 70416360), (5, 56333088), (6, 46944240), (7, 40237920), (8, 35208180), (9, 31296160), (10, 28166544), (12, 23472120), (14, 20118960), (15, 18777696), (16, 17604090), (18, 15648080), (20, 14083272), (21, 13412640), (24, 11736060), (28, 10059480), (30, 9388848), (32, 8802045), (35, 8047584), (36, 7824040), (40, 7041636), (42, 6706320), (45, 6259232), (48, 5868030), (56, 5029740), (60, 4694424), (63, 4470880), (70, 4023792), (72, 3912020), (80, 3520818), (84, 3353160), (90, 3129616), (96, 2934015), (105, 2682528), (112, 2514870), (120, 2347212), (126, 2235440), (140, 2011896), (144, 1956010), (160, 1760409), (168, 1676580), (180, 1564808), (210, 1341264), (224, 1257435), (240, 1173606), (252, 1117720), (280, 1005948), (288, 978005), (315, 894176), (336, 838290), (360, 782404), (420, 670632), (480, 586803), (504, 558860), (560, 502974), (630, 447088), (672, 419145), (720, 391202), (840, 335316), (1008, 279430), (1120, 251487), (1260, 223544), (1440, 195601), (1680, 167658), (2016, 139715), (2520, 111772), (3360, 83829), (5040, 55886), (10080, 27943)]