855520640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 2297166480

約数和(自身を除く): 1441645840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 107, 124, 128, 130, 155, 160, 208, 214, 248, 260, 310, 320, 403, 416, 428, 496, 520, 535, 620, 640, 806, 832, 856, 961, 992, 1040, 1070, 1240, 1391, 1612, 1664, 1712, 1922, 1984, 2015, 2080, 2140, 2480, 2782, 3224, 3317, 3424, 3844, 3968, 4030, 4160, 4280, 4805, 4960, 5564, 6448, 6634, 6848, 6955, 7688, 8060, 8320, 8560, 9610, 9920, 11128, 12493, 12896, 13268, 13696, 13910, 15376, 16120, 16585, 17120, 19220, 19840, 22256, 24986, 25792, 26536, 27820, 30752, 32240, 33170, 34240, 38440, 43121, 44512, 49972, 51584, 53072, 55640, 61504, 62465, 64480, 66340, 68480, 76880, 86242, 89024, 99944, 102827, 106144, 111280, 123008, 124930, 128960, 132680, 153760, 172484, 178048, 199888, 205654, 212288, 215605, 222560, 249860, 257920, 265360, 307520, 344968, 399776, 411308, 424576, 431210, 445120, 499720, 514135, 530720, 615040, 689936, 799552, 822616, 862420, 890240, 999440, 1028270, 1061440, 1336751, 1379872, 1599104, 1645232, 1724840, 1998880, 2056540, 2122880, 2673502, 2759744, 3290464, 3449680, 3997760, 4113080, 5347004, 5519488, 6580928, 6683755, 6899360, 7995520, 8226160, 10694008, 13161856, 13367510, 13798720, 16452320, 21388016, 26735020, 27597440, 32904640, 42776032, 53470040, 65809280, 85552064, 106940080, 171104128, 213880160, 427760320, 855520640]

約数ペア:

[(1, 855520640), (2, 427760320), (4, 213880160), (5, 171104128), (8, 106940080), (10, 85552064), (13, 65809280), (16, 53470040), (20, 42776032), (26, 32904640), (31, 27597440), (32, 26735020), (40, 21388016), (52, 16452320), (62, 13798720), (64, 13367510), (65, 13161856), (80, 10694008), (104, 8226160), (107, 7995520), (124, 6899360), (128, 6683755), (130, 6580928), (155, 5519488), (160, 5347004), (208, 4113080), (214, 3997760), (248, 3449680), (260, 3290464), (310, 2759744), (320, 2673502), (403, 2122880), (416, 2056540), (428, 1998880), (496, 1724840), (520, 1645232), (535, 1599104), (620, 1379872), (640, 1336751), (806, 1061440), (832, 1028270), (856, 999440), (961, 890240), (992, 862420), (1040, 822616), (1070, 799552), (1240, 689936), (1391, 615040), (1612, 530720), (1664, 514135), (1712, 499720), (1922, 445120), (1984, 431210), (2015, 424576), (2080, 411308), (2140, 399776), (2480, 344968), (2782, 307520), (3224, 265360), (3317, 257920), (3424, 249860), (3844, 222560), (3968, 215605), (4030, 212288), (4160, 205654), (4280, 199888), (4805, 178048), (4960, 172484), (5564, 153760), (6448, 132680), (6634, 128960), (6848, 124930), (6955, 123008), (7688, 111280), (8060, 106144), (8320, 102827), (8560, 99944), (9610, 89024), (9920, 86242), (11128, 76880), (12493, 68480), (12896, 66340), (13268, 64480), (13696, 62465), (13910, 61504), (15376, 55640), (16120, 53072), (16585, 51584), (17120, 49972), (19220, 44512), (19840, 43121), (22256, 38440), (24986, 34240), (25792, 33170), (26536, 32240), (27820, 30752)]