281063040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 256

約数和(自身を含む): 969408000

約数和(自身を除く): 688344960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 79, 80, 85, 96, 102, 109, 120, 128, 136, 158, 160, 170, 192, 204, 218, 237, 240, 255, 272, 316, 320, 327, 340, 384, 395, 408, 436, 474, 480, 510, 544, 545, 632, 640, 654, 680, 790, 816, 872, 948, 960, 1020, 1088, 1090, 1185, 1264, 1308, 1343, 1360, 1580, 1632, 1635, 1744, 1853, 1896, 1920, 2040, 2176, 2180, 2370, 2528, 2616, 2686, 2720, 3160, 3264, 3270, 3488, 3706, 3792, 4029, 4080, 4360, 4740, 5056, 5232, 5372, 5440, 5559, 6320, 6528, 6540, 6715, 6976, 7412, 7584, 8058, 8160, 8611, 8720, 9265, 9480, 10112, 10464, 10744, 10880, 11118, 12640, 13080, 13430, 13952, 14824, 15168, 16116, 16320, 17222, 17440, 18530, 18960, 20145, 20928, 21488, 22236, 25280, 25833, 26160, 26860, 27795, 29648, 30336, 32232, 32640, 34444, 34880, 37060, 37920, 40290, 41856, 42976, 43055, 44472, 50560, 51666, 52320, 53720, 55590, 59296, 64464, 68888, 69760, 74120, 75840, 80580, 85952, 86110, 88944, 103332, 104640, 107440, 111180, 118592, 128928, 129165, 137776, 146387, 148240, 151680, 161160, 171904, 172220, 177888, 206664, 209280, 214880, 222360, 237184, 257856, 258330, 275552, 292774, 296480, 322320, 344440, 355776, 413328, 429760, 439161, 444720, 515712, 516660, 551104, 585548, 592960, 644640, 688880, 711552, 731935, 826656, 859520, 878322, 889440, 1033320, 1102208, 1171096, 1185920, 1289280, 1377760, 1463870, 1653312, 1756644, 1778880, 2066640, 2195805, 2342192, 2578560, 2755520, 2927740, 3306624, 3513288, 3557760, 4133280, 4391610, 4684384, 5511040, 5855480, 7026576, 8266560, 8783220, 9368768, 11710960, 14053152, 16533120, 17566440, 18737536, 23421920, 28106304, 35132880, 46843840, 56212608, 70265760, 93687680, 140531520, 281063040]

約数ペア:

[(1, 281063040), (2, 140531520), (3, 93687680), (4, 70265760), (5, 56212608), (6, 46843840), (8, 35132880), (10, 28106304), (12, 23421920), (15, 18737536), (16, 17566440), (17, 16533120), (20, 14053152), (24, 11710960), (30, 9368768), (32, 8783220), (34, 8266560), (40, 7026576), (48, 5855480), (51, 5511040), (60, 4684384), (64, 4391610), (68, 4133280), (79, 3557760), (80, 3513288), (85, 3306624), (96, 2927740), (102, 2755520), (109, 2578560), (120, 2342192), (128, 2195805), (136, 2066640), (158, 1778880), (160, 1756644), (170, 1653312), (192, 1463870), (204, 1377760), (218, 1289280), (237, 1185920), (240, 1171096), (255, 1102208), (272, 1033320), (316, 889440), (320, 878322), (327, 859520), (340, 826656), (384, 731935), (395, 711552), (408, 688880), (436, 644640), (474, 592960), (480, 585548), (510, 551104), (544, 516660), (545, 515712), (632, 444720), (640, 439161), (654, 429760), (680, 413328), (790, 355776), (816, 344440), (872, 322320), (948, 296480), (960, 292774), (1020, 275552), (1088, 258330), (1090, 257856), (1185, 237184), (1264, 222360), (1308, 214880), (1343, 209280), (1360, 206664), (1580, 177888), (1632, 172220), (1635, 171904), (1744, 161160), (1853, 151680), (1896, 148240), (1920, 146387), (2040, 137776), (2176, 129165), (2180, 128928), (2370, 118592), (2528, 111180), (2616, 107440), (2686, 104640), (2720, 103332), (3160, 88944), (3264, 86110), (3270, 85952), (3488, 80580), (3706, 75840), (3792, 74120), (4029, 69760), (4080, 68888), (4360, 64464), (4740, 59296), (5056, 55590), (5232, 53720), (5372, 52320), (5440, 51666), (5559, 50560), (6320, 44472), (6528, 43055), (6540, 42976), (6715, 41856), (6976, 40290), (7412, 37920), (7584, 37060), (8058, 34880), (8160, 34444), (8611, 32640), (8720, 32232), (9265, 30336), (9480, 29648), (10112, 27795), (10464, 26860), (10744, 26160), (10880, 25833), (11118, 25280), (12640, 22236), (13080, 21488), (13430, 20928), (13952, 20145), (14824, 18960), (15168, 18530), (16116, 17440), (16320, 17222)]