281352960

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1163}}^1$

素因数の和:1200

約数の個数: 288

約数和(自身を含む): 1142023680

約数和(自身を除く): 860670720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1163, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2326, 2520, 2688, 2880, 3024, 3360, 3456, 3489, 3780, 3840, 4032, 4320, 4480, 4652, 5040, 5376, 5760, 5815, 6048, 6720, 6912, 6978, 7560, 8064, 8141, 8640, 8960, 9304, 10080, 10467, 11520, 11630, 12096, 13440, 13956, 15120, 16128, 16282, 17280, 17445, 18608, 20160, 20934, 23260, 24192, 24423, 26880, 27912, 30240, 31401, 32564, 34560, 34890, 37216, 40320, 40705, 41868, 46520, 48384, 48846, 52335, 55824, 60480, 62802, 65128, 69780, 73269, 74432, 80640, 81410, 83736, 93040, 97692, 104670, 111648, 120960, 122115, 125604, 130256, 139560, 146538, 148864, 157005, 162820, 167472, 186080, 195384, 209340, 219807, 223296, 241920, 244230, 251208, 260512, 279120, 293076, 297728, 314010, 325640, 334944, 366345, 372160, 390768, 418680, 439614, 446592, 488460, 502416, 521024, 558240, 586152, 628020, 651280, 669888, 732690, 744320, 781536, 837360, 879228, 893184, 976920, 1004832, 1042048, 1099035, 1116480, 1172304, 1256040, 1302560, 1339776, 1465380, 1488640, 1563072, 1674720, 1758456, 1953840, 2009664, 2084096, 2198070, 2232960, 2344608, 2512080, 2605120, 2679552, 2930760, 3126144, 3349440, 3516912, 3907680, 4019328, 4396140, 4465920, 4689216, 5024160, 5210240, 5861520, 6252288, 6698880, 7033824, 7815360, 8038656, 8792280, 9378432, 10048320, 10420480, 11723040, 13397760, 14067648, 15630720, 17584560, 18756864, 20096640, 23446080, 28135296, 31261440, 35169120, 40193280, 46892160, 56270592, 70338240, 93784320, 140676480, 281352960]

約数ペア:

[(1, 281352960), (2, 140676480), (3, 93784320), (4, 70338240), (5, 56270592), (6, 46892160), (7, 40193280), (8, 35169120), (9, 31261440), (10, 28135296), (12, 23446080), (14, 20096640), (15, 18756864), (16, 17584560), (18, 15630720), (20, 14067648), (21, 13397760), (24, 11723040), (27, 10420480), (28, 10048320), (30, 9378432), (32, 8792280), (35, 8038656), (36, 7815360), (40, 7033824), (42, 6698880), (45, 6252288), (48, 5861520), (54, 5210240), (56, 5024160), (60, 4689216), (63, 4465920), (64, 4396140), (70, 4019328), (72, 3907680), (80, 3516912), (84, 3349440), (90, 3126144), (96, 2930760), (105, 2679552), (108, 2605120), (112, 2512080), (120, 2344608), (126, 2232960), (128, 2198070), (135, 2084096), (140, 2009664), (144, 1953840), (160, 1758456), (168, 1674720), (180, 1563072), (189, 1488640), (192, 1465380), (210, 1339776), (216, 1302560), (224, 1256040), (240, 1172304), (252, 1116480), (256, 1099035), (270, 1042048), (280, 1004832), (288, 976920), (315, 893184), (320, 879228), (336, 837360), (360, 781536), (378, 744320), (384, 732690), (420, 669888), (432, 651280), (448, 628020), (480, 586152), (504, 558240), (540, 521024), (560, 502416), (576, 488460), (630, 446592), (640, 439614), (672, 418680), (720, 390768), (756, 372160), (768, 366345), (840, 334944), (864, 325640), (896, 314010), (945, 297728), (960, 293076), (1008, 279120), (1080, 260512), (1120, 251208), (1152, 244230), (1163, 241920), (1260, 223296), (1280, 219807), (1344, 209340), (1440, 195384), (1512, 186080), (1680, 167472), (1728, 162820), (1792, 157005), (1890, 148864), (1920, 146538), (2016, 139560), (2160, 130256), (2240, 125604), (2304, 122115), (2326, 120960), (2520, 111648), (2688, 104670), (2880, 97692), (3024, 93040), (3360, 83736), (3456, 81410), (3489, 80640), (3780, 74432), (3840, 73269), (4032, 69780), (4320, 65128), (4480, 62802), (4652, 60480), (5040, 55824), (5376, 52335), (5760, 48846), (5815, 48384), (6048, 46520), (6720, 41868), (6912, 40705), (6978, 40320), (7560, 37216), (8064, 34890), (8141, 34560), (8640, 32564), (8960, 31401), (9304, 30240), (10080, 27912), (10467, 26880), (11520, 24423), (11630, 24192), (12096, 23260), (13440, 20934), (13956, 20160), (15120, 18608), (16128, 17445), (16282, 17280)]