218899584

素因数分解:

$2^7\times 3^4\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 160

約数和(自身を含む): 667949040

約数和(自身を除く): 449049456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 81, 86, 96, 108, 128, 129, 144, 162, 172, 192, 216, 258, 288, 324, 344, 384, 387, 432, 491, 516, 576, 648, 688, 774, 864, 982, 1032, 1152, 1161, 1296, 1376, 1473, 1548, 1728, 1964, 2064, 2322, 2592, 2752, 2946, 3096, 3456, 3483, 3928, 4128, 4419, 4644, 5184, 5504, 5892, 6192, 6966, 7856, 8256, 8838, 9288, 10368, 11784, 12384, 13257, 13932, 15712, 16512, 17676, 18576, 21113, 23568, 24768, 26514, 27864, 31424, 35352, 37152, 39771, 42226, 47136, 49536, 53028, 55728, 62848, 63339, 70704, 74304, 79542, 84452, 94272, 106056, 111456, 126678, 141408, 148608, 159084, 168904, 188544, 190017, 212112, 222912, 253356, 282816, 318168, 337808, 380034, 424224, 445824, 506712, 565632, 570051, 636336, 675616, 760068, 848448, 1013424, 1140102, 1272672, 1351232, 1520136, 1696896, 1710153, 2026848, 2280204, 2545344, 2702464, 3040272, 3420306, 4053696, 4560408, 5090688, 6080544, 6840612, 8107392, 9120816, 12161088, 13681224, 18241632, 24322176, 27362448, 36483264, 54724896, 72966528, 109449792, 218899584]

約数ペア:

[(1, 218899584), (2, 109449792), (3, 72966528), (4, 54724896), (6, 36483264), (8, 27362448), (9, 24322176), (12, 18241632), (16, 13681224), (18, 12161088), (24, 9120816), (27, 8107392), (32, 6840612), (36, 6080544), (43, 5090688), (48, 4560408), (54, 4053696), (64, 3420306), (72, 3040272), (81, 2702464), (86, 2545344), (96, 2280204), (108, 2026848), (128, 1710153), (129, 1696896), (144, 1520136), (162, 1351232), (172, 1272672), (192, 1140102), (216, 1013424), (258, 848448), (288, 760068), (324, 675616), (344, 636336), (384, 570051), (387, 565632), (432, 506712), (491, 445824), (516, 424224), (576, 380034), (648, 337808), (688, 318168), (774, 282816), (864, 253356), (982, 222912), (1032, 212112), (1152, 190017), (1161, 188544), (1296, 168904), (1376, 159084), (1473, 148608), (1548, 141408), (1728, 126678), (1964, 111456), (2064, 106056), (2322, 94272), (2592, 84452), (2752, 79542), (2946, 74304), (3096, 70704), (3456, 63339), (3483, 62848), (3928, 55728), (4128, 53028), (4419, 49536), (4644, 47136), (5184, 42226), (5504, 39771), (5892, 37152), (6192, 35352), (6966, 31424), (7856, 27864), (8256, 26514), (8838, 24768), (9288, 23568), (10368, 21113), (11784, 18576), (12384, 17676), (13257, 16512), (13932, 15712)]