1721538560

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 288

約数和(自身を含む): 4974540480

約数和(自身を除く): 3253001920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 64, 70, 73, 80, 94, 98, 112, 128, 140, 146, 160, 188, 196, 224, 235, 245, 256, 280, 292, 320, 329, 365, 376, 392, 448, 470, 490, 511, 512, 560, 584, 640, 658, 730, 752, 784, 896, 940, 980, 1022, 1024, 1120, 1168, 1280, 1316, 1460, 1504, 1568, 1645, 1792, 1880, 1960, 2044, 2048, 2240, 2303, 2336, 2555, 2560, 2632, 2920, 3008, 3136, 3290, 3431, 3577, 3584, 3760, 3920, 4088, 4480, 4606, 4672, 5110, 5120, 5264, 5840, 6016, 6272, 6580, 6862, 7154, 7168, 7520, 7840, 8176, 8960, 9212, 9344, 10220, 10240, 10528, 11515, 11680, 12032, 12544, 13160, 13724, 14308, 14336, 15040, 15680, 16352, 17155, 17885, 17920, 18424, 18688, 20440, 21056, 23030, 23360, 24017, 24064, 25088, 26320, 27448, 28616, 30080, 31360, 32704, 34310, 35770, 35840, 36848, 37376, 40880, 42112, 46060, 46720, 48034, 48128, 50176, 52640, 54896, 57232, 60160, 62720, 65408, 68620, 71540, 71680, 73696, 74752, 81760, 84224, 92120, 93440, 96068, 96256, 100352, 105280, 109792, 114464, 120085, 120320, 125440, 130816, 137240, 143080, 147392, 149504, 163520, 168119, 168448, 184240, 186880, 192136, 210560, 219584, 228928, 240170, 240640, 250880, 261632, 274480, 286160, 294784, 327040, 336238, 336896, 368480, 373760, 384272, 421120, 439168, 457856, 480340, 481280, 501760, 523264, 548960, 572320, 589568, 654080, 672476, 673792, 736960, 747520, 768544, 840595, 842240, 878336, 915712, 960680, 1046528, 1097920, 1144640, 1179136, 1308160, 1344952, 1473920, 1537088, 1681190, 1684480, 1756672, 1831424, 1921360, 2195840, 2289280, 2358272, 2616320, 2689904, 2947840, 3074176, 3362380, 3368960, 3513344, 3662848, 3842720, 4391680, 4578560, 4716544, 5232640, 5379808, 5895680, 6148352, 6724760, 7026688, 7325696, 7685440, 8783360, 9157120, 10759616, 11791360, 12296704, 13449520, 15370880, 17566720, 18314240, 21519232, 23582720, 24593408, 26899040, 30741760, 35133440, 36628480, 43038464, 49186816, 53798080, 61483520, 86076928, 107596160, 122967040, 172153856, 215192320, 245934080, 344307712, 430384640, 860769280, 1721538560]

約数ペア:

[(1, 1721538560), (2, 860769280), (4, 430384640), (5, 344307712), (7, 245934080), (8, 215192320), (10, 172153856), (14, 122967040), (16, 107596160), (20, 86076928), (28, 61483520), (32, 53798080), (35, 49186816), (40, 43038464), (47, 36628480), (49, 35133440), (56, 30741760), (64, 26899040), (70, 24593408), (73, 23582720), (80, 21519232), (94, 18314240), (98, 17566720), (112, 15370880), (128, 13449520), (140, 12296704), (146, 11791360), (160, 10759616), (188, 9157120), (196, 8783360), (224, 7685440), (235, 7325696), (245, 7026688), (256, 6724760), (280, 6148352), (292, 5895680), (320, 5379808), (329, 5232640), (365, 4716544), (376, 4578560), (392, 4391680), (448, 3842720), (470, 3662848), (490, 3513344), (511, 3368960), (512, 3362380), (560, 3074176), (584, 2947840), (640, 2689904), (658, 2616320), (730, 2358272), (752, 2289280), (784, 2195840), (896, 1921360), (940, 1831424), (980, 1756672), (1022, 1684480), (1024, 1681190), (1120, 1537088), (1168, 1473920), (1280, 1344952), (1316, 1308160), (1460, 1179136), (1504, 1144640), (1568, 1097920), (1645, 1046528), (1792, 960680), (1880, 915712), (1960, 878336), (2044, 842240), (2048, 840595), (2240, 768544), (2303, 747520), (2336, 736960), (2555, 673792), (2560, 672476), (2632, 654080), (2920, 589568), (3008, 572320), (3136, 548960), (3290, 523264), (3431, 501760), (3577, 481280), (3584, 480340), (3760, 457856), (3920, 439168), (4088, 421120), (4480, 384272), (4606, 373760), (4672, 368480), (5110, 336896), (5120, 336238), (5264, 327040), (5840, 294784), (6016, 286160), (6272, 274480), (6580, 261632), (6862, 250880), (7154, 240640), (7168, 240170), (7520, 228928), (7840, 219584), (8176, 210560), (8960, 192136), (9212, 186880), (9344, 184240), (10220, 168448), (10240, 168119), (10528, 163520), (11515, 149504), (11680, 147392), (12032, 143080), (12544, 137240), (13160, 130816), (13724, 125440), (14308, 120320), (14336, 120085), (15040, 114464), (15680, 109792), (16352, 105280), (17155, 100352), (17885, 96256), (17920, 96068), (18424, 93440), (18688, 92120), (20440, 84224), (21056, 81760), (23030, 74752), (23360, 73696), (24017, 71680), (24064, 71540), (25088, 68620), (26320, 65408), (27448, 62720), (28616, 60160), (30080, 57232), (31360, 54896), (32704, 52640), (34310, 50176), (35770, 48128), (35840, 48034), (36848, 46720), (37376, 46060), (40880, 42112)]