19971678720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 480

約数和(自身を含む): 75391924608

約数和(自身を除く): 55420245888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 73, 80, 84, 96, 98, 105, 112, 120, 128, 140, 146, 147, 160, 168, 192, 196, 210, 219, 224, 240, 245, 256, 280, 292, 294, 320, 336, 365, 384, 392, 420, 438, 448, 480, 490, 511, 512, 560, 584, 588, 640, 672, 727, 730, 735, 768, 784, 840, 876, 896, 960, 980, 1022, 1095, 1120, 1168, 1176, 1280, 1344, 1454, 1460, 1470, 1533, 1536, 1568, 1680, 1752, 1792, 1920, 1960, 2044, 2181, 2190, 2240, 2336, 2352, 2555, 2560, 2688, 2908, 2920, 2940, 3066, 3136, 3360, 3504, 3577, 3584, 3635, 3840, 3920, 4088, 4362, 4380, 4480, 4672, 4704, 5089, 5110, 5376, 5816, 5840, 5880, 6132, 6272, 6720, 7008, 7154, 7270, 7665, 7680, 7840, 8176, 8724, 8760, 8960, 9344, 9408, 10178, 10220, 10731, 10752, 10905, 11632, 11680, 11760, 12264, 12544, 13440, 14016, 14308, 14540, 15267, 15330, 15680, 16352, 17448, 17520, 17885, 17920, 18688, 18816, 20356, 20440, 21462, 21810, 23264, 23360, 23520, 24528, 25088, 25445, 26880, 28032, 28616, 29080, 30534, 30660, 31360, 32704, 34896, 35040, 35623, 35770, 37376, 37632, 40712, 40880, 42924, 43620, 46528, 46720, 47040, 49056, 50890, 53071, 53655, 53760, 56064, 57232, 58160, 61068, 61320, 62720, 65408, 69792, 70080, 71246, 71540, 75264, 76335, 81424, 81760, 85848, 87240, 93056, 93440, 94080, 98112, 101780, 106142, 106869, 107310, 112128, 114464, 116320, 122136, 122640, 125440, 130816, 139584, 140160, 142492, 143080, 152670, 159213, 162848, 163520, 171696, 174480, 178115, 186112, 186880, 188160, 196224, 203560, 212284, 213738, 214620, 228928, 232640, 244272, 245280, 261632, 265355, 279168, 280320, 284984, 286160, 305340, 318426, 325696, 327040, 343392, 348960, 356230, 371497, 372224, 376320, 392448, 407120, 424568, 427476, 429240, 457856, 465280, 488544, 490560, 530710, 534345, 558336, 560640, 569968, 572320, 610680, 636852, 651392, 654080, 686784, 697920, 712460, 742994, 784896, 796065, 814240, 849136, 854952, 858480, 915712, 930560, 977088, 981120, 1061420, 1068690, 1114491, 1116672, 1139936, 1144640, 1221360, 1273704, 1302784, 1308160, 1373568, 1395840, 1424920, 1485988, 1592130, 1628480, 1698272, 1709904, 1716960, 1831424, 1857485, 1861120, 1954176, 1962240, 2122840, 2137380, 2228982, 2279872, 2289280, 2442720, 2547408, 2600479, 2605568, 2747136, 2791680, 2849840, 2971976, 3184260, 3256960, 3396544, 3419808, 3433920, 3714970, 3908352, 3924480, 4245680, 4274760, 4457964, 4559744, 4578560, 4885440, 5094816, 5200958, 5494272, 5572455, 5583360, 5699680, 5943952, 6368520, 6513920, 6793088, 6839616, 6867840, 7429940, 7801437, 7816704, 8491360, 8549520, 8915928, 9119488, 9157120, 9770880, 10189632, 10401916, 11144910, 11399360, 11887904, 12737040, 13002395, 13027840, 13586176, 13679232, 13735680, 14859880, 15602874, 16982720, 17099040, 17831856, 18238976, 19541760, 20379264, 20803832, 22289820, 22798720, 23775808, 25474080, 26004790, 27172352, 27358464, 27471360, 29719760, 31205748, 33965440, 34198080, 35663712, 39007185, 39083520, 40758528, 41607664, 44579640, 45597440, 47551616, 50948160, 52009580, 54716928, 59439520, 62411496, 67930880, 68396160, 71327424, 78014370, 81517056, 83215328, 89159280, 91194880, 95103232, 101896320, 104019160, 118879040, 124822992, 135861760, 136792320, 142654848, 156028740, 166430656, 178318560, 190206464, 203792640, 208038320, 237758080, 249645984, 273584640, 285309696, 312057480, 332861312, 356637120, 407585280, 416076640, 475516160, 499291968, 570619392, 624114960, 665722624, 713274240, 832153280, 951032320, 998583936, 1248229920, 1331445248, 1426548480, 1664306560, 1997167872, 2496459840, 2853096960, 3328613120, 3994335744, 4992919680, 6657226240, 9985839360, 19971678720]

約数ペア:

[(1, 19971678720), (2, 9985839360), (3, 6657226240), (4, 4992919680), (5, 3994335744), (6, 3328613120), (7, 2853096960), (8, 2496459840), (10, 1997167872), (12, 1664306560), (14, 1426548480), (15, 1331445248), (16, 1248229920), (20, 998583936), (21, 951032320), (24, 832153280), (28, 713274240), (30, 665722624), (32, 624114960), (35, 570619392), (40, 499291968), (42, 475516160), (48, 416076640), (49, 407585280), (56, 356637120), (60, 332861312), (64, 312057480), (70, 285309696), (73, 273584640), (80, 249645984), (84, 237758080), (96, 208038320), (98, 203792640), (105, 190206464), (112, 178318560), (120, 166430656), (128, 156028740), (140, 142654848), (146, 136792320), (147, 135861760), (160, 124822992), (168, 118879040), (192, 104019160), (196, 101896320), (210, 95103232), (219, 91194880), (224, 89159280), (240, 83215328), (245, 81517056), (256, 78014370), (280, 71327424), (292, 68396160), (294, 67930880), (320, 62411496), (336, 59439520), (365, 54716928), (384, 52009580), (392, 50948160), (420, 47551616), (438, 45597440), (448, 44579640), (480, 41607664), (490, 40758528), (511, 39083520), (512, 39007185), (560, 35663712), (584, 34198080), (588, 33965440), (640, 31205748), (672, 29719760), (727, 27471360), (730, 27358464), (735, 27172352), (768, 26004790), (784, 25474080), (840, 23775808), (876, 22798720), (896, 22289820), (960, 20803832), (980, 20379264), (1022, 19541760), (1095, 18238976), (1120, 17831856), (1168, 17099040), (1176, 16982720), (1280, 15602874), (1344, 14859880), (1454, 13735680), (1460, 13679232), (1470, 13586176), (1533, 13027840), (1536, 13002395), (1568, 12737040), (1680, 11887904), (1752, 11399360), (1792, 11144910), (1920, 10401916), (1960, 10189632), (2044, 9770880), (2181, 9157120), (2190, 9119488), (2240, 8915928), (2336, 8549520), (2352, 8491360), (2555, 7816704), (2560, 7801437), (2688, 7429940), (2908, 6867840), (2920, 6839616), (2940, 6793088), (3066, 6513920), (3136, 6368520), (3360, 5943952), (3504, 5699680), (3577, 5583360), (3584, 5572455), (3635, 5494272), (3840, 5200958), (3920, 5094816), (4088, 4885440), (4362, 4578560), (4380, 4559744), (4480, 4457964), (4672, 4274760), (4704, 4245680), (5089, 3924480), (5110, 3908352), (5376, 3714970), (5816, 3433920), (5840, 3419808), (5880, 3396544), (6132, 3256960), (6272, 3184260), (6720, 2971976), (7008, 2849840), (7154, 2791680), (7270, 2747136), (7665, 2605568), (7680, 2600479), (7840, 2547408), (8176, 2442720), (8724, 2289280), (8760, 2279872), (8960, 2228982), (9344, 2137380), (9408, 2122840), (10178, 1962240), (10220, 1954176), (10731, 1861120), (10752, 1857485), (10905, 1831424), (11632, 1716960), (11680, 1709904), (11760, 1698272), (12264, 1628480), (12544, 1592130), (13440, 1485988), (14016, 1424920), (14308, 1395840), (14540, 1373568), (15267, 1308160), (15330, 1302784), (15680, 1273704), (16352, 1221360), (17448, 1144640), (17520, 1139936), (17885, 1116672), (17920, 1114491), (18688, 1068690), (18816, 1061420), (20356, 981120), (20440, 977088), (21462, 930560), (21810, 915712), (23264, 858480), (23360, 854952), (23520, 849136), (24528, 814240), (25088, 796065), (25445, 784896), (26880, 742994), (28032, 712460), (28616, 697920), (29080, 686784), (30534, 654080), (30660, 651392), (31360, 636852), (32704, 610680), (34896, 572320), (35040, 569968), (35623, 560640), (35770, 558336), (37376, 534345), (37632, 530710), (40712, 490560), (40880, 488544), (42924, 465280), (43620, 457856), (46528, 429240), (46720, 427476), (47040, 424568), (49056, 407120), (50890, 392448), (53071, 376320), (53655, 372224), (53760, 371497), (56064, 356230), (57232, 348960), (58160, 343392), (61068, 327040), (61320, 325696), (62720, 318426), (65408, 305340), (69792, 286160), (70080, 284984), (71246, 280320), (71540, 279168), (75264, 265355), (76335, 261632), (81424, 245280), (81760, 244272), (85848, 232640), (87240, 228928), (93056, 214620), (93440, 213738), (94080, 212284), (98112, 203560), (101780, 196224), (106142, 188160), (106869, 186880), (107310, 186112), (112128, 178115), (114464, 174480), (116320, 171696), (122136, 163520), (122640, 162848), (125440, 159213), (130816, 152670), (139584, 143080), (140160, 142492)]