427760320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 1144078992

約数和(自身を除く): 716318672

約数列:

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

約数ペア:

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