781036656

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{631}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 2048226048

約数和(自身を除く): 1267189392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 241, 321, 428, 482, 631, 642, 723, 856, 964, 1262, 1284, 1446, 1712, 1893, 1928, 2524, 2568, 2892, 3786, 3856, 5048, 5136, 5784, 7572, 10096, 11568, 15144, 25787, 30288, 51574, 67517, 77361, 103148, 135034, 152071, 154722, 202551, 206296, 270068, 304142, 309444, 405102, 412592, 456213, 540136, 608284, 618888, 810204, 912426, 1080272, 1216568, 1237776, 1620408, 1824852, 2433136, 3240816, 3649704, 7299408, 16271597, 32543194, 48814791, 65086388, 97629582, 130172776, 195259164, 260345552, 390518328, 781036656]

約数ペア:

[(1, 781036656), (2, 390518328), (3, 260345552), (4, 195259164), (6, 130172776), (8, 97629582), (12, 65086388), (16, 48814791), (24, 32543194), (48, 16271597), (107, 7299408), (214, 3649704), (241, 3240816), (321, 2433136), (428, 1824852), (482, 1620408), (631, 1237776), (642, 1216568), (723, 1080272), (856, 912426), (964, 810204), (1262, 618888), (1284, 608284), (1446, 540136), (1712, 456213), (1893, 412592), (1928, 405102), (2524, 309444), (2568, 304142), (2892, 270068), (3786, 206296), (3856, 202551), (5048, 154722), (5136, 152071), (5784, 135034), (7572, 103148), (10096, 77361), (11568, 67517), (15144, 51574), (25787, 30288)]