256851504

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1153}}^1$

素因数の和:1204

約数の個数: 240

約数和(自身を含む): 937564992

約数和(自身を除く): 680713488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 48, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 112, 117, 119, 126, 136, 144, 153, 156, 168, 182, 204, 208, 221, 234, 238, 252, 272, 273, 306, 312, 336, 357, 364, 408, 442, 468, 476, 504, 546, 612, 624, 663, 714, 728, 816, 819, 884, 936, 952, 1008, 1071, 1092, 1153, 1224, 1326, 1428, 1456, 1547, 1638, 1768, 1872, 1904, 1989, 2142, 2184, 2306, 2448, 2652, 2856, 3094, 3276, 3459, 3536, 3978, 4284, 4368, 4612, 4641, 5304, 5712, 6188, 6552, 6918, 7956, 8071, 8568, 9224, 9282, 10377, 10608, 12376, 13104, 13836, 13923, 14989, 15912, 16142, 17136, 18448, 18564, 19601, 20754, 24213, 24752, 27672, 27846, 29978, 31824, 32284, 37128, 39202, 41508, 44967, 48426, 55344, 55692, 58803, 59956, 64568, 72639, 74256, 78404, 83016, 89934, 96852, 104923, 111384, 117606, 119912, 129136, 134901, 137207, 145278, 156808, 166032, 176409, 179868, 193704, 209846, 222768, 235212, 239824, 254813, 269802, 274414, 290556, 313616, 314769, 352818, 359736, 387408, 411621, 419692, 470424, 509626, 539604, 548828, 581112, 629538, 705636, 719472, 764439, 823242, 839384, 940848, 944307, 1019252, 1079208, 1097656, 1162224, 1234863, 1259076, 1411272, 1528878, 1646484, 1678768, 1783691, 1888614, 2038504, 2158416, 2195312, 2293317, 2469726, 2518152, 2822544, 3057756, 3292968, 3567382, 3777228, 4077008, 4586634, 4939452, 5036304, 5351073, 6115512, 6585936, 7134764, 7554456, 9173268, 9878904, 10702146, 12231024, 14269528, 15108912, 16053219, 18346536, 19757808, 21404292, 28539056, 32106438, 36693072, 42808584, 64212876, 85617168, 128425752, 256851504]

約数ペア:

[(1, 256851504), (2, 128425752), (3, 85617168), (4, 64212876), (6, 42808584), (7, 36693072), (8, 32106438), (9, 28539056), (12, 21404292), (13, 19757808), (14, 18346536), (16, 16053219), (17, 15108912), (18, 14269528), (21, 12231024), (24, 10702146), (26, 9878904), (28, 9173268), (34, 7554456), (36, 7134764), (39, 6585936), (42, 6115512), (48, 5351073), (51, 5036304), (52, 4939452), (56, 4586634), (63, 4077008), (68, 3777228), (72, 3567382), (78, 3292968), (84, 3057756), (91, 2822544), (102, 2518152), (104, 2469726), (112, 2293317), (117, 2195312), (119, 2158416), (126, 2038504), (136, 1888614), (144, 1783691), (153, 1678768), (156, 1646484), (168, 1528878), (182, 1411272), (204, 1259076), (208, 1234863), (221, 1162224), (234, 1097656), (238, 1079208), (252, 1019252), (272, 944307), (273, 940848), (306, 839384), (312, 823242), (336, 764439), (357, 719472), (364, 705636), (408, 629538), (442, 581112), (468, 548828), (476, 539604), (504, 509626), (546, 470424), (612, 419692), (624, 411621), (663, 387408), (714, 359736), (728, 352818), (816, 314769), (819, 313616), (884, 290556), (936, 274414), (952, 269802), (1008, 254813), (1071, 239824), (1092, 235212), (1153, 222768), (1224, 209846), (1326, 193704), (1428, 179868), (1456, 176409), (1547, 166032), (1638, 156808), (1768, 145278), (1872, 137207), (1904, 134901), (1989, 129136), (2142, 119912), (2184, 117606), (2306, 111384), (2448, 104923), (2652, 96852), (2856, 89934), (3094, 83016), (3276, 78404), (3459, 74256), (3536, 72639), (3978, 64568), (4284, 59956), (4368, 58803), (4612, 55692), (4641, 55344), (5304, 48426), (5712, 44967), (6188, 41508), (6552, 39202), (6918, 37128), (7956, 32284), (8071, 31824), (8568, 29978), (9224, 27846), (9282, 27672), (10377, 24752), (10608, 24213), (12376, 20754), (13104, 19601), (13836, 18564), (13923, 18448), (14989, 17136), (15912, 16142)]