1820021760

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:469

約数の個数: 264

約数和(自身を含む): 6376421376

約数和(自身を除く): 4556399616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 128, 144, 160, 180, 192, 240, 254, 256, 288, 311, 320, 360, 381, 384, 480, 508, 512, 576, 622, 635, 640, 720, 762, 768, 933, 960, 1016, 1024, 1143, 1152, 1244, 1270, 1280, 1440, 1524, 1536, 1555, 1866, 1905, 1920, 2032, 2286, 2304, 2488, 2540, 2560, 2799, 2880, 3048, 3072, 3110, 3732, 3810, 3840, 4064, 4572, 4608, 4665, 4976, 5080, 5120, 5598, 5715, 5760, 6096, 6220, 7464, 7620, 7680, 8128, 9144, 9216, 9330, 9952, 10160, 11196, 11430, 11520, 12192, 12440, 13995, 14928, 15240, 15360, 16256, 18288, 18660, 19904, 20320, 22392, 22860, 23040, 24384, 24880, 27990, 29856, 30480, 32512, 36576, 37320, 39497, 39808, 40640, 44784, 45720, 46080, 48768, 49760, 55980, 59712, 60960, 65024, 73152, 74640, 78994, 79616, 81280, 89568, 91440, 97536, 99520, 111960, 118491, 119424, 121920, 130048, 146304, 149280, 157988, 159232, 162560, 179136, 182880, 195072, 197485, 199040, 223920, 236982, 238848, 243840, 292608, 298560, 315976, 318464, 325120, 355473, 358272, 365760, 390144, 394970, 398080, 447840, 473964, 477696, 487680, 585216, 592455, 597120, 631952, 650240, 710946, 716544, 731520, 789940, 796160, 895680, 947928, 955392, 975360, 1170432, 1184910, 1194240, 1263904, 1421892, 1433088, 1463040, 1579880, 1592320, 1777365, 1791360, 1895856, 1950720, 2369820, 2388480, 2527808, 2843784, 2866176, 2926080, 3159760, 3554730, 3582720, 3791712, 4739640, 4776960, 5055616, 5687568, 5852160, 6319520, 7109460, 7165440, 7583424, 9479280, 10111232, 11375136, 12639040, 14218920, 14330880, 15166848, 18958560, 20222464, 22750272, 25278080, 28437840, 30333696, 37917120, 40444928, 45500544, 50556160, 56875680, 60667392, 75834240, 91001088, 101112320, 113751360, 121334784, 151668480, 182002176, 202224640, 227502720, 303336960, 364004352, 455005440, 606673920, 910010880, 1820021760]

約数ペア:

[(1, 1820021760), (2, 910010880), (3, 606673920), (4, 455005440), (5, 364004352), (6, 303336960), (8, 227502720), (9, 202224640), (10, 182002176), (12, 151668480), (15, 121334784), (16, 113751360), (18, 101112320), (20, 91001088), (24, 75834240), (30, 60667392), (32, 56875680), (36, 50556160), (40, 45500544), (45, 40444928), (48, 37917120), (60, 30333696), (64, 28437840), (72, 25278080), (80, 22750272), (90, 20222464), (96, 18958560), (120, 15166848), (127, 14330880), (128, 14218920), (144, 12639040), (160, 11375136), (180, 10111232), (192, 9479280), (240, 7583424), (254, 7165440), (256, 7109460), (288, 6319520), (311, 5852160), (320, 5687568), (360, 5055616), (381, 4776960), (384, 4739640), (480, 3791712), (508, 3582720), (512, 3554730), (576, 3159760), (622, 2926080), (635, 2866176), (640, 2843784), (720, 2527808), (762, 2388480), (768, 2369820), (933, 1950720), (960, 1895856), (1016, 1791360), (1024, 1777365), (1143, 1592320), (1152, 1579880), (1244, 1463040), (1270, 1433088), (1280, 1421892), (1440, 1263904), (1524, 1194240), (1536, 1184910), (1555, 1170432), (1866, 975360), (1905, 955392), (1920, 947928), (2032, 895680), (2286, 796160), (2304, 789940), (2488, 731520), (2540, 716544), (2560, 710946), (2799, 650240), (2880, 631952), (3048, 597120), (3072, 592455), (3110, 585216), (3732, 487680), (3810, 477696), (3840, 473964), (4064, 447840), (4572, 398080), (4608, 394970), (4665, 390144), (4976, 365760), (5080, 358272), (5120, 355473), (5598, 325120), (5715, 318464), (5760, 315976), (6096, 298560), (6220, 292608), (7464, 243840), (7620, 238848), (7680, 236982), (8128, 223920), (9144, 199040), (9216, 197485), (9330, 195072), (9952, 182880), (10160, 179136), (11196, 162560), (11430, 159232), (11520, 157988), (12192, 149280), (12440, 146304), (13995, 130048), (14928, 121920), (15240, 119424), (15360, 118491), (16256, 111960), (18288, 99520), (18660, 97536), (19904, 91440), (20320, 89568), (22392, 81280), (22860, 79616), (23040, 78994), (24384, 74640), (24880, 73152), (27990, 65024), (29856, 60960), (30480, 59712), (32512, 55980), (36576, 49760), (37320, 48768), (39497, 46080), (39808, 45720), (40640, 44784)]