256210536

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 716636160

約数和(自身を除く): 460425624

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 47, 51, 62, 68, 93, 94, 102, 124, 136, 141, 186, 188, 204, 248, 282, 372, 376, 408, 431, 527, 564, 744, 799, 862, 1054, 1128, 1293, 1457, 1581, 1598, 1724, 2108, 2397, 2586, 2914, 3162, 3196, 3448, 4216, 4371, 4794, 5172, 5828, 6324, 6392, 7327, 8742, 9588, 10344, 11656, 12648, 13361, 14654, 17484, 19176, 20257, 21981, 24769, 26722, 29308, 34968, 40083, 40514, 43962, 49538, 53444, 58616, 60771, 74307, 80166, 81028, 87924, 99076, 106888, 121542, 148614, 160332, 162056, 175848, 198152, 227137, 243084, 297228, 320664, 344369, 454274, 486168, 594456, 627967, 681411, 688738, 908548, 1033107, 1255934, 1362822, 1377476, 1817096, 1883901, 2066214, 2511868, 2725644, 2754952, 3767802, 4132428, 5023736, 5451288, 7535604, 8264856, 10675439, 15071208, 21350878, 32026317, 42701756, 64052634, 85403512, 128105268, 256210536]

約数ペア:

[(1, 256210536), (2, 128105268), (3, 85403512), (4, 64052634), (6, 42701756), (8, 32026317), (12, 21350878), (17, 15071208), (24, 10675439), (31, 8264856), (34, 7535604), (47, 5451288), (51, 5023736), (62, 4132428), (68, 3767802), (93, 2754952), (94, 2725644), (102, 2511868), (124, 2066214), (136, 1883901), (141, 1817096), (186, 1377476), (188, 1362822), (204, 1255934), (248, 1033107), (282, 908548), (372, 688738), (376, 681411), (408, 627967), (431, 594456), (527, 486168), (564, 454274), (744, 344369), (799, 320664), (862, 297228), (1054, 243084), (1128, 227137), (1293, 198152), (1457, 175848), (1581, 162056), (1598, 160332), (1724, 148614), (2108, 121542), (2397, 106888), (2586, 99076), (2914, 87924), (3162, 81028), (3196, 80166), (3448, 74307), (4216, 60771), (4371, 58616), (4794, 53444), (5172, 49538), (5828, 43962), (6324, 40514), (6392, 40083), (7327, 34968), (8742, 29308), (9588, 26722), (10344, 24769), (11656, 21981), (12648, 20257), (13361, 19176), (14654, 17484)]