281812320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 288

約数和(自身を含む): 1018967040

約数和(自身を除く): 737154720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 59, 60, 62, 72, 80, 90, 93, 96, 107, 118, 120, 124, 144, 155, 160, 177, 180, 186, 214, 236, 240, 248, 279, 288, 295, 310, 321, 354, 360, 372, 428, 465, 472, 480, 496, 531, 535, 558, 590, 620, 642, 708, 720, 744, 856, 885, 930, 944, 963, 992, 1062, 1070, 1116, 1180, 1240, 1284, 1395, 1416, 1440, 1488, 1605, 1712, 1770, 1829, 1860, 1888, 1926, 2124, 2140, 2232, 2360, 2480, 2568, 2655, 2790, 2832, 2976, 3210, 3317, 3424, 3540, 3658, 3720, 3852, 4248, 4280, 4464, 4720, 4815, 4960, 5136, 5310, 5487, 5580, 5664, 6313, 6420, 6634, 7080, 7316, 7440, 7704, 8496, 8560, 8928, 9145, 9440, 9630, 9951, 10272, 10620, 10974, 11160, 12626, 12840, 13268, 14160, 14632, 14880, 15408, 16461, 16585, 16992, 17120, 18290, 18939, 19260, 19902, 21240, 21948, 22320, 25252, 25680, 26536, 27435, 28320, 29264, 29853, 30816, 31565, 32922, 33170, 36580, 37878, 38520, 39804, 42480, 43896, 44640, 49755, 50504, 51360, 53072, 54870, 56817, 58528, 59706, 63130, 65844, 66340, 73160, 75756, 77040, 79608, 82305, 84960, 87792, 94695, 99510, 101008, 106144, 109740, 113634, 119412, 126260, 131688, 132680, 146320, 149265, 151512, 154080, 159216, 164610, 175584, 189390, 195703, 199020, 202016, 219480, 227268, 238824, 252520, 263376, 265360, 284085, 292640, 298530, 303024, 318432, 329220, 378780, 391406, 398040, 438960, 454536, 477648, 505040, 526752, 530720, 568170, 587109, 597060, 606048, 658440, 757560, 782812, 796080, 877920, 909072, 955296, 978515, 1010080, 1136340, 1174218, 1194120, 1316880, 1515120, 1565624, 1592160, 1761327, 1818144, 1957030, 2272680, 2348436, 2388240, 2633760, 2935545, 3030240, 3131248, 3522654, 3914060, 4545360, 4696872, 4776480, 5871090, 6262496, 7045308, 7828120, 8806635, 9090720, 9393744, 11742180, 14090616, 15656240, 17613270, 18787488, 23484360, 28181232, 31312480, 35226540, 46968720, 56362464, 70453080, 93937440, 140906160, 281812320]

約数ペア:

[(1, 281812320), (2, 140906160), (3, 93937440), (4, 70453080), (5, 56362464), (6, 46968720), (8, 35226540), (9, 31312480), (10, 28181232), (12, 23484360), (15, 18787488), (16, 17613270), (18, 15656240), (20, 14090616), (24, 11742180), (30, 9393744), (31, 9090720), (32, 8806635), (36, 7828120), (40, 7045308), (45, 6262496), (48, 5871090), (59, 4776480), (60, 4696872), (62, 4545360), (72, 3914060), (80, 3522654), (90, 3131248), (93, 3030240), (96, 2935545), (107, 2633760), (118, 2388240), (120, 2348436), (124, 2272680), (144, 1957030), (155, 1818144), (160, 1761327), (177, 1592160), (180, 1565624), (186, 1515120), (214, 1316880), (236, 1194120), (240, 1174218), (248, 1136340), (279, 1010080), (288, 978515), (295, 955296), (310, 909072), (321, 877920), (354, 796080), (360, 782812), (372, 757560), (428, 658440), (465, 606048), (472, 597060), (480, 587109), (496, 568170), (531, 530720), (535, 526752), (558, 505040), (590, 477648), (620, 454536), (642, 438960), (708, 398040), (720, 391406), (744, 378780), (856, 329220), (885, 318432), (930, 303024), (944, 298530), (963, 292640), (992, 284085), (1062, 265360), (1070, 263376), (1116, 252520), (1180, 238824), (1240, 227268), (1284, 219480), (1395, 202016), (1416, 199020), (1440, 195703), (1488, 189390), (1605, 175584), (1712, 164610), (1770, 159216), (1829, 154080), (1860, 151512), (1888, 149265), (1926, 146320), (2124, 132680), (2140, 131688), (2232, 126260), (2360, 119412), (2480, 113634), (2568, 109740), (2655, 106144), (2790, 101008), (2832, 99510), (2976, 94695), (3210, 87792), (3317, 84960), (3424, 82305), (3540, 79608), (3658, 77040), (3720, 75756), (3852, 73160), (4248, 66340), (4280, 65844), (4464, 63130), (4720, 59706), (4815, 58528), (4960, 56817), (5136, 54870), (5310, 53072), (5487, 51360), (5580, 50504), (5664, 49755), (6313, 44640), (6420, 43896), (6634, 42480), (7080, 39804), (7316, 38520), (7440, 37878), (7704, 36580), (8496, 33170), (8560, 32922), (8928, 31565), (9145, 30816), (9440, 29853), (9630, 29264), (9951, 28320), (10272, 27435), (10620, 26536), (10974, 25680), (11160, 25252), (12626, 22320), (12840, 21948), (13268, 21240), (14160, 19902), (14632, 19260), (14880, 18939), (15408, 18290), (16461, 17120), (16585, 16992)]