21431028480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{3911}}^1$

素因数の和:5362

約数の個数: 144

約数和(自身を含む): 68510824704

約数和(自身を除く): 47079796224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1427, 1920, 2854, 3840, 3911, 4281, 5708, 7135, 7822, 8562, 11416, 11733, 14270, 15644, 17124, 19555, 21405, 22832, 23466, 28540, 31288, 34248, 39110, 42810, 45664, 46932, 57080, 58665, 62576, 68496, 78220, 85620, 91328, 93864, 114160, 117330, 125152, 136992, 156440, 171240, 182656, 187728, 228320, 234660, 250304, 273984, 312880, 342480, 365312, 375456, 456640, 469320, 500608, 547968, 625760, 684960, 750912, 913280, 938640, 1001216, 1095936, 1251520, 1369920, 1501824, 1826560, 1877280, 2503040, 2739840, 3003648, 3754560, 5006080, 5479680, 5580997, 7509120, 11161994, 15018240, 16742991, 22323988, 27904985, 33485982, 44647976, 55809970, 66971964, 83714955, 89295952, 111619940, 133943928, 167429910, 178591904, 223239880, 267887856, 334859820, 357183808, 446479760, 535775712, 669719640, 714367616, 892959520, 1071551424, 1339439280, 1428735232, 1785919040, 2143102848, 2678878560, 3571838080, 4286205696, 5357757120, 7143676160, 10715514240, 21431028480]

約数ペア:

[(1, 21431028480), (2, 10715514240), (3, 7143676160), (4, 5357757120), (5, 4286205696), (6, 3571838080), (8, 2678878560), (10, 2143102848), (12, 1785919040), (15, 1428735232), (16, 1339439280), (20, 1071551424), (24, 892959520), (30, 714367616), (32, 669719640), (40, 535775712), (48, 446479760), (60, 357183808), (64, 334859820), (80, 267887856), (96, 223239880), (120, 178591904), (128, 167429910), (160, 133943928), (192, 111619940), (240, 89295952), (256, 83714955), (320, 66971964), (384, 55809970), (480, 44647976), (640, 33485982), (768, 27904985), (960, 22323988), (1280, 16742991), (1427, 15018240), (1920, 11161994), (2854, 7509120), (3840, 5580997), (3911, 5479680), (4281, 5006080), (5708, 3754560), (7135, 3003648), (7822, 2739840), (8562, 2503040), (11416, 1877280), (11733, 1826560), (14270, 1501824), (15644, 1369920), (17124, 1251520), (19555, 1095936), (21405, 1001216), (22832, 938640), (23466, 913280), (28540, 750912), (31288, 684960), (34248, 625760), (39110, 547968), (42810, 500608), (45664, 469320), (46932, 456640), (57080, 375456), (58665, 365312), (62576, 342480), (68496, 312880), (78220, 273984), (85620, 250304), (91328, 234660), (93864, 228320), (114160, 187728), (117330, 182656), (125152, 171240), (136992, 156440)]