281161440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27893}}^1$

素因数の和:27921

約数の個数: 144

約数和(自身を含む): 1096568928

約数和(自身を除く): 815407488

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, 27893, 55786, 83679, 111572, 139465, 167358, 195251, 223144, 251037, 278930, 334716, 390502, 418395, 446288, 502074, 557860, 585753, 669432, 781004, 836790, 892576, 976255, 1004148, 1115720, 1171506, 1255185, 1338864, 1562008, 1673580, 1757259, 1952510, 2008296, 2231440, 2343012, 2510370, 2677728, 2928765, 3124016, 3347160, 3514518, 3905020, 4016592, 4462880, 4686024, 5020740, 5857530, 6248032, 6694320, 7029036, 7810040, 8033184, 8786295, 9372048, 10041480, 11715060, 13388640, 14058072, 15620080, 17572590, 18744096, 20082960, 23430120, 28116144, 31240160, 35145180, 40165920, 46860240, 56232288, 70290360, 93720480, 140580720, 281161440]

約数ペア:

[(1, 281161440), (2, 140580720), (3, 93720480), (4, 70290360), (5, 56232288), (6, 46860240), (7, 40165920), (8, 35145180), (9, 31240160), (10, 28116144), (12, 23430120), (14, 20082960), (15, 18744096), (16, 17572590), (18, 15620080), (20, 14058072), (21, 13388640), (24, 11715060), (28, 10041480), (30, 9372048), (32, 8786295), (35, 8033184), (36, 7810040), (40, 7029036), (42, 6694320), (45, 6248032), (48, 5857530), (56, 5020740), (60, 4686024), (63, 4462880), (70, 4016592), (72, 3905020), (80, 3514518), (84, 3347160), (90, 3124016), (96, 2928765), (105, 2677728), (112, 2510370), (120, 2343012), (126, 2231440), (140, 2008296), (144, 1952510), (160, 1757259), (168, 1673580), (180, 1562008), (210, 1338864), (224, 1255185), (240, 1171506), (252, 1115720), (280, 1004148), (288, 976255), (315, 892576), (336, 836790), (360, 781004), (420, 669432), (480, 585753), (504, 557860), (560, 502074), (630, 446288), (672, 418395), (720, 390502), (840, 334716), (1008, 278930), (1120, 251037), (1260, 223144), (1440, 195251), (1680, 167358), (2016, 139465), (2520, 111572), (3360, 83679), (5040, 55786), (10080, 27893)]