77678640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 288960672

約数和(自身を除く): 211282032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 48, 52, 60, 65, 72, 78, 80, 86, 90, 104, 117, 120, 129, 130, 144, 156, 172, 180, 193, 195, 208, 215, 234, 240, 258, 260, 312, 344, 360, 386, 387, 390, 430, 468, 516, 520, 559, 579, 585, 624, 645, 688, 720, 772, 774, 780, 860, 936, 965, 1032, 1040, 1118, 1158, 1170, 1290, 1544, 1548, 1560, 1677, 1720, 1737, 1872, 1930, 1935, 2064, 2236, 2316, 2340, 2509, 2580, 2795, 2895, 3088, 3096, 3120, 3354, 3440, 3474, 3860, 3870, 4472, 4632, 4680, 5018, 5031, 5160, 5590, 5790, 6192, 6708, 6948, 7527, 7720, 7740, 8299, 8385, 8685, 8944, 9264, 9360, 10036, 10062, 10320, 11180, 11580, 12545, 13416, 13896, 15054, 15440, 15480, 16598, 16770, 17370, 20072, 20124, 22360, 22581, 23160, 24897, 25090, 25155, 26832, 27792, 30108, 30960, 33196, 33540, 34740, 37635, 40144, 40248, 41495, 44720, 45162, 46320, 49794, 50180, 50310, 60216, 66392, 67080, 69480, 74691, 75270, 80496, 82990, 90324, 99588, 100360, 100620, 107887, 112905, 120432, 124485, 132784, 134160, 138960, 149382, 150540, 165980, 180648, 199176, 200720, 201240, 215774, 225810, 248970, 298764, 301080, 323661, 331960, 361296, 373455, 398352, 402480, 431548, 451620, 497940, 539435, 597528, 602160, 647322, 663920, 746910, 863096, 903240, 970983, 995880, 1078870, 1195056, 1294644, 1493820, 1618305, 1726192, 1806480, 1941966, 1991760, 2157740, 2589288, 2987640, 3236610, 3883932, 4315480, 4854915, 5178576, 5975280, 6473220, 7767864, 8630960, 9709830, 12946440, 15535728, 19419660, 25892880, 38839320, 77678640]

約数ペア:

[(1, 77678640), (2, 38839320), (3, 25892880), (4, 19419660), (5, 15535728), (6, 12946440), (8, 9709830), (9, 8630960), (10, 7767864), (12, 6473220), (13, 5975280), (15, 5178576), (16, 4854915), (18, 4315480), (20, 3883932), (24, 3236610), (26, 2987640), (30, 2589288), (36, 2157740), (39, 1991760), (40, 1941966), (43, 1806480), (45, 1726192), (48, 1618305), (52, 1493820), (60, 1294644), (65, 1195056), (72, 1078870), (78, 995880), (80, 970983), (86, 903240), (90, 863096), (104, 746910), (117, 663920), (120, 647322), (129, 602160), (130, 597528), (144, 539435), (156, 497940), (172, 451620), (180, 431548), (193, 402480), (195, 398352), (208, 373455), (215, 361296), (234, 331960), (240, 323661), (258, 301080), (260, 298764), (312, 248970), (344, 225810), (360, 215774), (386, 201240), (387, 200720), (390, 199176), (430, 180648), (468, 165980), (516, 150540), (520, 149382), (559, 138960), (579, 134160), (585, 132784), (624, 124485), (645, 120432), (688, 112905), (720, 107887), (772, 100620), (774, 100360), (780, 99588), (860, 90324), (936, 82990), (965, 80496), (1032, 75270), (1040, 74691), (1118, 69480), (1158, 67080), (1170, 66392), (1290, 60216), (1544, 50310), (1548, 50180), (1560, 49794), (1677, 46320), (1720, 45162), (1737, 44720), (1872, 41495), (1930, 40248), (1935, 40144), (2064, 37635), (2236, 34740), (2316, 33540), (2340, 33196), (2509, 30960), (2580, 30108), (2795, 27792), (2895, 26832), (3088, 25155), (3096, 25090), (3120, 24897), (3354, 23160), (3440, 22581), (3474, 22360), (3860, 20124), (3870, 20072), (4472, 17370), (4632, 16770), (4680, 16598), (5018, 15480), (5031, 15440), (5160, 15054), (5590, 13896), (5790, 13416), (6192, 12545), (6708, 11580), (6948, 11180), (7527, 10320), (7720, 10062), (7740, 10036), (8299, 9360), (8385, 9264), (8685, 8944)]