1821440880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2089}}^1$

素因数の和:2288

約数の個数: 240

約数和(自身を含む): 7034639040

約数和(自身を除く): 5213198160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 173, 180, 210, 240, 252, 280, 315, 336, 346, 360, 420, 504, 519, 560, 630, 692, 720, 840, 865, 1008, 1038, 1211, 1260, 1384, 1557, 1680, 1730, 2076, 2089, 2422, 2520, 2595, 2768, 3114, 3460, 3633, 4152, 4178, 4844, 5040, 5190, 6055, 6228, 6267, 6920, 7266, 7785, 8304, 8356, 9688, 10380, 10445, 10899, 12110, 12456, 12534, 13840, 14532, 14623, 15570, 16712, 18165, 18801, 19376, 20760, 20890, 21798, 24220, 24912, 25068, 29064, 29246, 31140, 31335, 33424, 36330, 37602, 41520, 41780, 43596, 43869, 48440, 50136, 54495, 58128, 58492, 62280, 62670, 72660, 73115, 75204, 83560, 87192, 87738, 94005, 96880, 100272, 108990, 116984, 124560, 125340, 131607, 145320, 146230, 150408, 167120, 174384, 175476, 188010, 217980, 219345, 233968, 250680, 263214, 290640, 292460, 300816, 350952, 361397, 376020, 435960, 438690, 501360, 526428, 584920, 658035, 701904, 722794, 752040, 871920, 877380, 1052856, 1084191, 1169840, 1316070, 1445588, 1504080, 1754760, 1806985, 2105712, 2168382, 2529779, 2632140, 2891176, 3252573, 3509520, 3613970, 4336764, 5059558, 5264280, 5420955, 5782352, 6505146, 7227940, 7589337, 8673528, 10119116, 10528560, 10841910, 12648895, 13010292, 14455880, 15178674, 16262865, 17347056, 20238232, 21683820, 22768011, 25297790, 26020584, 28911760, 30357348, 32525730, 37946685, 40476464, 43367640, 45536022, 50595580, 52041168, 60714696, 65051460, 75893370, 86735280, 91072044, 101191160, 113840055, 121429392, 130102920, 151786740, 182144088, 202382320, 227680110, 260205840, 303573480, 364288176, 455360220, 607146960, 910720440, 1821440880]

約数ペア:

[(1, 1821440880), (2, 910720440), (3, 607146960), (4, 455360220), (5, 364288176), (6, 303573480), (7, 260205840), (8, 227680110), (9, 202382320), (10, 182144088), (12, 151786740), (14, 130102920), (15, 121429392), (16, 113840055), (18, 101191160), (20, 91072044), (21, 86735280), (24, 75893370), (28, 65051460), (30, 60714696), (35, 52041168), (36, 50595580), (40, 45536022), (42, 43367640), (45, 40476464), (48, 37946685), (56, 32525730), (60, 30357348), (63, 28911760), (70, 26020584), (72, 25297790), (80, 22768011), (84, 21683820), (90, 20238232), (105, 17347056), (112, 16262865), (120, 15178674), (126, 14455880), (140, 13010292), (144, 12648895), (168, 10841910), (173, 10528560), (180, 10119116), (210, 8673528), (240, 7589337), (252, 7227940), (280, 6505146), (315, 5782352), (336, 5420955), (346, 5264280), (360, 5059558), (420, 4336764), (504, 3613970), (519, 3509520), (560, 3252573), (630, 2891176), (692, 2632140), (720, 2529779), (840, 2168382), (865, 2105712), (1008, 1806985), (1038, 1754760), (1211, 1504080), (1260, 1445588), (1384, 1316070), (1557, 1169840), (1680, 1084191), (1730, 1052856), (2076, 877380), (2089, 871920), (2422, 752040), (2520, 722794), (2595, 701904), (2768, 658035), (3114, 584920), (3460, 526428), (3633, 501360), (4152, 438690), (4178, 435960), (4844, 376020), (5040, 361397), (5190, 350952), (6055, 300816), (6228, 292460), (6267, 290640), (6920, 263214), (7266, 250680), (7785, 233968), (8304, 219345), (8356, 217980), (9688, 188010), (10380, 175476), (10445, 174384), (10899, 167120), (12110, 150408), (12456, 146230), (12534, 145320), (13840, 131607), (14532, 125340), (14623, 124560), (15570, 116984), (16712, 108990), (18165, 100272), (18801, 96880), (19376, 94005), (20760, 87738), (20890, 87192), (21798, 83560), (24220, 75204), (24912, 73115), (25068, 72660), (29064, 62670), (29246, 62280), (31140, 58492), (31335, 58128), (33424, 54495), (36330, 50136), (37602, 48440), (41520, 43869), (41780, 43596)]