256161168

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 763846200

約数和(自身を除く): 507685032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 269, 272, 306, 389, 408, 538, 612, 778, 807, 816, 1076, 1167, 1224, 1556, 1614, 2152, 2334, 2421, 2448, 3112, 3228, 3501, 4304, 4573, 4668, 4842, 6224, 6456, 6613, 7002, 9146, 9336, 9684, 12912, 13226, 13719, 14004, 18292, 18672, 19368, 19839, 26452, 27438, 28008, 36584, 38736, 39678, 41157, 52904, 54876, 56016, 59517, 73168, 79356, 82314, 104641, 105808, 109752, 119034, 158712, 164628, 209282, 219504, 238068, 313923, 317424, 329256, 418564, 476136, 627846, 658512, 837128, 941769, 952272, 1255692, 1674256, 1778897, 1883538, 2511384, 3557794, 3767076, 5022768, 5336691, 7115588, 7534152, 10673382, 14231176, 15068304, 16010073, 21346764, 28462352, 32020146, 42693528, 64040292, 85387056, 128080584, 256161168]

約数ペア:

[(1, 256161168), (2, 128080584), (3, 85387056), (4, 64040292), (6, 42693528), (8, 32020146), (9, 28462352), (12, 21346764), (16, 16010073), (17, 15068304), (18, 14231176), (24, 10673382), (34, 7534152), (36, 7115588), (48, 5336691), (51, 5022768), (68, 3767076), (72, 3557794), (102, 2511384), (136, 1883538), (144, 1778897), (153, 1674256), (204, 1255692), (269, 952272), (272, 941769), (306, 837128), (389, 658512), (408, 627846), (538, 476136), (612, 418564), (778, 329256), (807, 317424), (816, 313923), (1076, 238068), (1167, 219504), (1224, 209282), (1556, 164628), (1614, 158712), (2152, 119034), (2334, 109752), (2421, 105808), (2448, 104641), (3112, 82314), (3228, 79356), (3501, 73168), (4304, 59517), (4573, 56016), (4668, 54876), (4842, 52904), (6224, 41157), (6456, 39678), (6613, 38736), (7002, 36584), (9146, 28008), (9336, 27438), (9684, 26452), (12912, 19839), (13226, 19368), (13719, 18672), (14004, 18292)]