213880160

素因数分解:

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

素因数の和:197

約数の個数: 144

約数和(自身を含む): 567535248

約数和(自身を除く): 353655088

約数列:

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

約数ペア:

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