20539443680

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{7963}}^1$

素因数の和:8046

約数の個数: 192

約数和(自身を含む): 57799526400

約数和(自身を除く): 37260082720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 224, 235, 245, 280, 329, 343, 376, 392, 470, 490, 560, 658, 686, 752, 784, 940, 980, 1120, 1316, 1372, 1504, 1568, 1645, 1715, 1880, 1960, 2303, 2632, 2744, 3290, 3430, 3760, 3920, 4606, 5264, 5488, 6580, 6860, 7520, 7840, 7963, 9212, 10528, 10976, 11515, 13160, 13720, 15926, 16121, 18424, 23030, 26320, 27440, 31852, 32242, 36848, 39815, 46060, 52640, 54880, 55741, 63704, 64484, 73696, 79630, 80605, 92120, 111482, 127408, 128968, 159260, 161210, 184240, 222964, 254816, 257936, 278705, 318520, 322420, 368480, 374261, 390187, 445928, 515872, 557410, 637040, 644840, 748522, 780374, 891856, 1114820, 1274080, 1289680, 1497044, 1560748, 1783712, 1871305, 1950935, 2229640, 2579360, 2619827, 2731309, 2994088, 3121496, 3742610, 3901870, 4459280, 5239654, 5462618, 5988176, 6242992, 7485220, 7803740, 8918560, 10479308, 10925236, 11976352, 12485984, 13099135, 13656545, 14970440, 15607480, 18338789, 20958616, 21850472, 26198270, 27313090, 29940880, 31214960, 36677578, 41917232, 43700944, 52396540, 54626180, 59881760, 62429920, 73355156, 83834464, 87401888, 91693945, 104793080, 109252360, 128371523, 146710312, 183387890, 209586160, 218504720, 256743046, 293420624, 366775780, 419172320, 437009440, 513486092, 586841248, 641857615, 733551560, 1026972184, 1283715230, 1467103120, 2053944368, 2567430460, 2934206240, 4107888736, 5134860920, 10269721840, 20539443680]

約数ペア:

[(1, 20539443680), (2, 10269721840), (4, 5134860920), (5, 4107888736), (7, 2934206240), (8, 2567430460), (10, 2053944368), (14, 1467103120), (16, 1283715230), (20, 1026972184), (28, 733551560), (32, 641857615), (35, 586841248), (40, 513486092), (47, 437009440), (49, 419172320), (56, 366775780), (70, 293420624), (80, 256743046), (94, 218504720), (98, 209586160), (112, 183387890), (140, 146710312), (160, 128371523), (188, 109252360), (196, 104793080), (224, 91693945), (235, 87401888), (245, 83834464), (280, 73355156), (329, 62429920), (343, 59881760), (376, 54626180), (392, 52396540), (470, 43700944), (490, 41917232), (560, 36677578), (658, 31214960), (686, 29940880), (752, 27313090), (784, 26198270), (940, 21850472), (980, 20958616), (1120, 18338789), (1316, 15607480), (1372, 14970440), (1504, 13656545), (1568, 13099135), (1645, 12485984), (1715, 11976352), (1880, 10925236), (1960, 10479308), (2303, 8918560), (2632, 7803740), (2744, 7485220), (3290, 6242992), (3430, 5988176), (3760, 5462618), (3920, 5239654), (4606, 4459280), (5264, 3901870), (5488, 3742610), (6580, 3121496), (6860, 2994088), (7520, 2731309), (7840, 2619827), (7963, 2579360), (9212, 2229640), (10528, 1950935), (10976, 1871305), (11515, 1783712), (13160, 1560748), (13720, 1497044), (15926, 1289680), (16121, 1274080), (18424, 1114820), (23030, 891856), (26320, 780374), (27440, 748522), (31852, 644840), (32242, 637040), (36848, 557410), (39815, 515872), (46060, 445928), (52640, 390187), (54880, 374261), (55741, 368480), (63704, 322420), (64484, 318520), (73696, 278705), (79630, 257936), (80605, 254816), (92120, 222964), (111482, 184240), (127408, 161210), (128968, 159260)]