21949453120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:865

約数の個数: 224

約数和(自身を含む): 60899040000

約数和(自身を除く): 38949586880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 269, 280, 292, 320, 365, 448, 499, 511, 538, 560, 584, 730, 998, 1022, 1076, 1120, 1168, 1345, 1460, 1883, 1996, 2044, 2152, 2240, 2336, 2495, 2555, 2690, 2920, 3493, 3766, 3992, 4088, 4304, 4672, 4990, 5110, 5380, 5840, 6986, 7532, 7984, 8176, 8608, 9415, 9980, 10220, 10760, 11680, 13972, 15064, 15968, 16352, 17216, 17465, 18830, 19637, 19960, 20440, 21520, 23360, 27944, 30128, 31936, 32704, 34930, 36427, 37660, 39274, 39920, 40880, 43040, 55888, 60256, 69860, 72854, 75320, 78548, 79840, 81760, 86080, 98185, 111776, 120512, 134231, 137459, 139720, 145708, 150640, 157096, 159680, 163520, 182135, 196370, 223552, 254989, 268462, 274918, 279440, 291416, 301280, 314192, 364270, 392740, 509978, 536924, 549836, 558880, 582832, 602560, 628384, 671155, 687295, 728540, 785480, 939617, 1019956, 1073848, 1099672, 1117760, 1165664, 1256768, 1274945, 1342310, 1374590, 1457080, 1570960, 1879234, 2039912, 2147696, 2199344, 2331328, 2549890, 2684620, 2749180, 2914160, 3141920, 3758468, 4079824, 4295392, 4398688, 4698085, 5099780, 5369240, 5498360, 5828320, 6283840, 7516936, 8159648, 8590784, 8797376, 9396170, 9798863, 10199560, 10738480, 10996720, 11656640, 15033872, 16319296, 18792340, 19597726, 20399120, 21476960, 21993440, 30067744, 37584680, 39195452, 40798240, 42953920, 43986880, 48994315, 60135488, 68592041, 75169360, 78390904, 81596480, 97988630, 137184082, 150338720, 156781808, 195977260, 274368164, 300677440, 313563616, 342960205, 391954520, 548736328, 627127232, 685920410, 783909040, 1097472656, 1371840820, 1567818080, 2194945312, 2743681640, 3135636160, 4389890624, 5487363280, 10974726560, 21949453120]

約数ペア:

[(1, 21949453120), (2, 10974726560), (4, 5487363280), (5, 4389890624), (7, 3135636160), (8, 2743681640), (10, 2194945312), (14, 1567818080), (16, 1371840820), (20, 1097472656), (28, 783909040), (32, 685920410), (35, 627127232), (40, 548736328), (56, 391954520), (64, 342960205), (70, 313563616), (73, 300677440), (80, 274368164), (112, 195977260), (140, 156781808), (146, 150338720), (160, 137184082), (224, 97988630), (269, 81596480), (280, 78390904), (292, 75169360), (320, 68592041), (365, 60135488), (448, 48994315), (499, 43986880), (511, 42953920), (538, 40798240), (560, 39195452), (584, 37584680), (730, 30067744), (998, 21993440), (1022, 21476960), (1076, 20399120), (1120, 19597726), (1168, 18792340), (1345, 16319296), (1460, 15033872), (1883, 11656640), (1996, 10996720), (2044, 10738480), (2152, 10199560), (2240, 9798863), (2336, 9396170), (2495, 8797376), (2555, 8590784), (2690, 8159648), (2920, 7516936), (3493, 6283840), (3766, 5828320), (3992, 5498360), (4088, 5369240), (4304, 5099780), (4672, 4698085), (4990, 4398688), (5110, 4295392), (5380, 4079824), (5840, 3758468), (6986, 3141920), (7532, 2914160), (7984, 2749180), (8176, 2684620), (8608, 2549890), (9415, 2331328), (9980, 2199344), (10220, 2147696), (10760, 2039912), (11680, 1879234), (13972, 1570960), (15064, 1457080), (15968, 1374590), (16352, 1342310), (17216, 1274945), (17465, 1256768), (18830, 1165664), (19637, 1117760), (19960, 1099672), (20440, 1073848), (21520, 1019956), (23360, 939617), (27944, 785480), (30128, 728540), (31936, 687295), (32704, 671155), (34930, 628384), (36427, 602560), (37660, 582832), (39274, 558880), (39920, 549836), (40880, 536924), (43040, 509978), (55888, 392740), (60256, 364270), (69860, 314192), (72854, 301280), (75320, 291416), (78548, 279440), (79840, 274918), (81760, 268462), (86080, 254989), (98185, 223552), (111776, 196370), (120512, 182135), (134231, 163520), (137459, 159680), (139720, 157096), (145708, 150640)]