320381820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 288

約数和(自身を含む): 1120863744

約数和(自身を除く): 800481924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 53, 55, 60, 66, 71, 86, 90, 99, 106, 110, 129, 132, 142, 159, 165, 172, 180, 198, 212, 213, 215, 220, 258, 265, 284, 318, 330, 355, 387, 396, 426, 430, 473, 477, 495, 516, 530, 583, 636, 639, 645, 660, 710, 774, 781, 795, 852, 860, 946, 954, 990, 1060, 1065, 1166, 1278, 1290, 1419, 1420, 1548, 1562, 1590, 1749, 1892, 1908, 1935, 1980, 2130, 2279, 2332, 2343, 2365, 2385, 2556, 2580, 2838, 2915, 3053, 3124, 3180, 3195, 3498, 3763, 3870, 3905, 4257, 4260, 4558, 4686, 4730, 4770, 5247, 5676, 5830, 6106, 6390, 6837, 6996, 7029, 7095, 7526, 7740, 7810, 8514, 8745, 9116, 9159, 9372, 9460, 9540, 10494, 11289, 11395, 11660, 11715, 12212, 12780, 13674, 14058, 14190, 15052, 15265, 15620, 17028, 17490, 18318, 18815, 20511, 20988, 21285, 22578, 22790, 23430, 25069, 26235, 27348, 27477, 28116, 28380, 30530, 33583, 33867, 34185, 34980, 35145, 36636, 37630, 41022, 41393, 42570, 45156, 45580, 45795, 46860, 50138, 52470, 54954, 56445, 61060, 67166, 67734, 68370, 70290, 75207, 75260, 82044, 82786, 85140, 91590, 100276, 100749, 102555, 104940, 109908, 112890, 124179, 125345, 134332, 135468, 136740, 137385, 140580, 150414, 161809, 165572, 167915, 169335, 183180, 201498, 205110, 206965, 225621, 225780, 248358, 250690, 274770, 300828, 302247, 323618, 335830, 338670, 372537, 376035, 402996, 410220, 413930, 451242, 485427, 496716, 501380, 503745, 549540, 604494, 620895, 647236, 671660, 677340, 745074, 752070, 809045, 827860, 902484, 970854, 1007490, 1128105, 1208988, 1241790, 1456281, 1490148, 1504140, 1511235, 1618090, 1779899, 1862685, 1941708, 2014980, 2256210, 2427135, 2483580, 2912562, 3022470, 3236180, 3559798, 3725370, 4512420, 4854270, 5339697, 5825124, 6044940, 7119596, 7281405, 7450740, 8899495, 9708540, 10679394, 14562810, 16019091, 17798990, 21358788, 26698485, 29125620, 32038182, 35597980, 53396970, 64076364, 80095455, 106793940, 160190910, 320381820]

約数ペア:

[(1, 320381820), (2, 160190910), (3, 106793940), (4, 80095455), (5, 64076364), (6, 53396970), (9, 35597980), (10, 32038182), (11, 29125620), (12, 26698485), (15, 21358788), (18, 17798990), (20, 16019091), (22, 14562810), (30, 10679394), (33, 9708540), (36, 8899495), (43, 7450740), (44, 7281405), (45, 7119596), (53, 6044940), (55, 5825124), (60, 5339697), (66, 4854270), (71, 4512420), (86, 3725370), (90, 3559798), (99, 3236180), (106, 3022470), (110, 2912562), (129, 2483580), (132, 2427135), (142, 2256210), (159, 2014980), (165, 1941708), (172, 1862685), (180, 1779899), (198, 1618090), (212, 1511235), (213, 1504140), (215, 1490148), (220, 1456281), (258, 1241790), (265, 1208988), (284, 1128105), (318, 1007490), (330, 970854), (355, 902484), (387, 827860), (396, 809045), (426, 752070), (430, 745074), (473, 677340), (477, 671660), (495, 647236), (516, 620895), (530, 604494), (583, 549540), (636, 503745), (639, 501380), (645, 496716), (660, 485427), (710, 451242), (774, 413930), (781, 410220), (795, 402996), (852, 376035), (860, 372537), (946, 338670), (954, 335830), (990, 323618), (1060, 302247), (1065, 300828), (1166, 274770), (1278, 250690), (1290, 248358), (1419, 225780), (1420, 225621), (1548, 206965), (1562, 205110), (1590, 201498), (1749, 183180), (1892, 169335), (1908, 167915), (1935, 165572), (1980, 161809), (2130, 150414), (2279, 140580), (2332, 137385), (2343, 136740), (2365, 135468), (2385, 134332), (2556, 125345), (2580, 124179), (2838, 112890), (2915, 109908), (3053, 104940), (3124, 102555), (3180, 100749), (3195, 100276), (3498, 91590), (3763, 85140), (3870, 82786), (3905, 82044), (4257, 75260), (4260, 75207), (4558, 70290), (4686, 68370), (4730, 67734), (4770, 67166), (5247, 61060), (5676, 56445), (5830, 54954), (6106, 52470), (6390, 50138), (6837, 46860), (6996, 45795), (7029, 45580), (7095, 45156), (7526, 42570), (7740, 41393), (7810, 41022), (8514, 37630), (8745, 36636), (9116, 35145), (9159, 34980), (9372, 34185), (9460, 33867), (9540, 33583), (10494, 30530), (11289, 28380), (11395, 28116), (11660, 27477), (11715, 27348), (12212, 26235), (12780, 25069), (13674, 23430), (14058, 22790), (14190, 22578), (15052, 21285), (15265, 20988), (15620, 20511), (17028, 18815), (17490, 18318)]