1645521920

素因数分解:

$2^{10}\times 5^1\times 7^3\times {\mathrm{937}}^1$

素因数の和:983

約数の個数: 176

約数和(自身を含む): 4608206400

約数和(自身を除く): 2962684480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 512, 560, 640, 686, 784, 896, 937, 980, 1024, 1120, 1280, 1372, 1568, 1715, 1792, 1874, 1960, 2240, 2560, 2744, 3136, 3430, 3584, 3748, 3920, 4480, 4685, 5120, 5488, 6272, 6559, 6860, 7168, 7496, 7840, 8960, 9370, 10976, 12544, 13118, 13720, 14992, 15680, 17920, 18740, 21952, 25088, 26236, 27440, 29984, 31360, 32795, 35840, 37480, 43904, 45913, 50176, 52472, 54880, 59968, 62720, 65590, 74960, 87808, 91826, 104944, 109760, 119936, 125440, 131180, 149920, 175616, 183652, 209888, 219520, 229565, 239872, 250880, 262360, 299840, 321391, 351232, 367304, 419776, 439040, 459130, 479744, 524720, 599680, 642782, 734608, 839552, 878080, 918260, 959488, 1049440, 1199360, 1285564, 1469216, 1606955, 1679104, 1756160, 1836520, 2098880, 2398720, 2571128, 2938432, 3213910, 3358208, 3673040, 4197760, 4797440, 5142256, 5876864, 6427820, 6716416, 7346080, 8395520, 10284512, 11753728, 12855640, 14692160, 16791040, 20569024, 23507456, 25711280, 29384320, 33582080, 41138048, 47014912, 51422560, 58768640, 82276096, 102845120, 117537280, 164552192, 205690240, 235074560, 329104384, 411380480, 822760960, 1645521920]

約数ペア:

[(1, 1645521920), (2, 822760960), (4, 411380480), (5, 329104384), (7, 235074560), (8, 205690240), (10, 164552192), (14, 117537280), (16, 102845120), (20, 82276096), (28, 58768640), (32, 51422560), (35, 47014912), (40, 41138048), (49, 33582080), (56, 29384320), (64, 25711280), (70, 23507456), (80, 20569024), (98, 16791040), (112, 14692160), (128, 12855640), (140, 11753728), (160, 10284512), (196, 8395520), (224, 7346080), (245, 6716416), (256, 6427820), (280, 5876864), (320, 5142256), (343, 4797440), (392, 4197760), (448, 3673040), (490, 3358208), (512, 3213910), (560, 2938432), (640, 2571128), (686, 2398720), (784, 2098880), (896, 1836520), (937, 1756160), (980, 1679104), (1024, 1606955), (1120, 1469216), (1280, 1285564), (1372, 1199360), (1568, 1049440), (1715, 959488), (1792, 918260), (1874, 878080), (1960, 839552), (2240, 734608), (2560, 642782), (2744, 599680), (3136, 524720), (3430, 479744), (3584, 459130), (3748, 439040), (3920, 419776), (4480, 367304), (4685, 351232), (5120, 321391), (5488, 299840), (6272, 262360), (6559, 250880), (6860, 239872), (7168, 229565), (7496, 219520), (7840, 209888), (8960, 183652), (9370, 175616), (10976, 149920), (12544, 131180), (13118, 125440), (13720, 119936), (14992, 109760), (15680, 104944), (17920, 91826), (18740, 87808), (21952, 74960), (25088, 65590), (26236, 62720), (27440, 59968), (29984, 54880), (31360, 52472), (32795, 50176), (35840, 45913), (37480, 43904)]