218501360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:559

約数の個数: 160

約数和(自身を含む): 642816000

約数和(自身を除く): 424314640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 80, 88, 110, 112, 140, 154, 158, 176, 220, 280, 308, 316, 385, 395, 440, 449, 553, 560, 616, 632, 770, 790, 869, 880, 898, 1106, 1232, 1264, 1540, 1580, 1738, 1796, 2212, 2245, 2765, 3080, 3143, 3160, 3476, 3592, 4345, 4424, 4490, 4939, 5530, 6083, 6160, 6286, 6320, 6952, 7184, 8690, 8848, 8980, 9878, 11060, 12166, 12572, 13904, 15715, 17380, 17960, 19756, 22120, 24332, 24695, 25144, 30415, 31430, 34573, 34760, 35471, 35920, 39512, 44240, 48664, 49390, 50288, 60830, 62860, 69146, 69520, 70942, 79024, 97328, 98780, 121660, 125720, 138292, 141884, 172865, 177355, 197560, 243320, 248297, 251440, 276584, 283768, 345730, 354710, 390181, 395120, 486640, 496594, 553168, 567536, 691460, 709420, 780362, 993188, 1241485, 1382920, 1418840, 1560724, 1950905, 1986376, 2482970, 2731267, 2765840, 2837680, 3121448, 3901810, 3972752, 4965940, 5462534, 6242896, 7803620, 9931880, 10925068, 13656335, 15607240, 19863760, 21850136, 27312670, 31214480, 43700272, 54625340, 109250680, 218501360]

約数ペア:

[(1, 218501360), (2, 109250680), (4, 54625340), (5, 43700272), (7, 31214480), (8, 27312670), (10, 21850136), (11, 19863760), (14, 15607240), (16, 13656335), (20, 10925068), (22, 9931880), (28, 7803620), (35, 6242896), (40, 5462534), (44, 4965940), (55, 3972752), (56, 3901810), (70, 3121448), (77, 2837680), (79, 2765840), (80, 2731267), (88, 2482970), (110, 1986376), (112, 1950905), (140, 1560724), (154, 1418840), (158, 1382920), (176, 1241485), (220, 993188), (280, 780362), (308, 709420), (316, 691460), (385, 567536), (395, 553168), (440, 496594), (449, 486640), (553, 395120), (560, 390181), (616, 354710), (632, 345730), (770, 283768), (790, 276584), (869, 251440), (880, 248297), (898, 243320), (1106, 197560), (1232, 177355), (1264, 172865), (1540, 141884), (1580, 138292), (1738, 125720), (1796, 121660), (2212, 98780), (2245, 97328), (2765, 79024), (3080, 70942), (3143, 69520), (3160, 69146), (3476, 62860), (3592, 60830), (4345, 50288), (4424, 49390), (4490, 48664), (4939, 44240), (5530, 39512), (6083, 35920), (6160, 35471), (6286, 34760), (6320, 34573), (6952, 31430), (7184, 30415), (8690, 25144), (8848, 24695), (8980, 24332), (9878, 22120), (11060, 19756), (12166, 17960), (12572, 17380), (13904, 15715)]