1285081728

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1642

約数の個数: 128

約数和(自身を含む): 3914352000

約数和(自身を除く): 2629270272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 389, 448, 672, 778, 896, 1167, 1229, 1344, 1556, 2334, 2458, 2688, 2723, 3112, 3687, 4668, 4916, 5446, 6224, 7374, 8169, 8603, 9336, 9832, 10892, 12448, 14748, 16338, 17206, 18672, 19664, 21784, 24896, 25809, 29496, 32676, 34412, 37344, 39328, 43568, 49792, 51618, 58992, 65352, 68824, 74688, 78656, 87136, 103236, 117984, 130704, 137648, 149376, 157312, 174272, 206472, 235968, 261408, 275296, 348544, 412944, 471936, 478081, 522816, 550592, 825888, 956162, 1045632, 1101184, 1434243, 1651776, 1912324, 2868486, 3303552, 3346567, 3824648, 5736972, 6693134, 7649296, 10039701, 11473944, 13386268, 15298592, 20079402, 22947888, 26772536, 30597184, 40158804, 45895776, 53545072, 61194368, 80317608, 91791552, 107090144, 160635216, 183583104, 214180288, 321270432, 428360576, 642540864, 1285081728]

約数ペア:

[(1, 1285081728), (2, 642540864), (3, 428360576), (4, 321270432), (6, 214180288), (7, 183583104), (8, 160635216), (12, 107090144), (14, 91791552), (16, 80317608), (21, 61194368), (24, 53545072), (28, 45895776), (32, 40158804), (42, 30597184), (48, 26772536), (56, 22947888), (64, 20079402), (84, 15298592), (96, 13386268), (112, 11473944), (128, 10039701), (168, 7649296), (192, 6693134), (224, 5736972), (336, 3824648), (384, 3346567), (389, 3303552), (448, 2868486), (672, 1912324), (778, 1651776), (896, 1434243), (1167, 1101184), (1229, 1045632), (1344, 956162), (1556, 825888), (2334, 550592), (2458, 522816), (2688, 478081), (2723, 471936), (3112, 412944), (3687, 348544), (4668, 275296), (4916, 261408), (5446, 235968), (6224, 206472), (7374, 174272), (8169, 157312), (8603, 149376), (9336, 137648), (9832, 130704), (10892, 117984), (12448, 103236), (14748, 87136), (16338, 78656), (17206, 74688), (18672, 68824), (19664, 65352), (21784, 58992), (24896, 51618), (25809, 49792), (29496, 43568), (32676, 39328), (34412, 37344)]