256405968

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1202

約数の個数: 240

約数和(自身を含む): 935940096

約数和(自身を除く): 679534128

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, 1151, 1224, 1326, 1428, 1456, 1547, 1638, 1768, 1872, 1904, 1989, 2142, 2184, 2302, 2448, 2652, 2856, 3094, 3276, 3453, 3536, 3978, 4284, 4368, 4604, 4641, 5304, 5712, 6188, 6552, 6906, 7956, 8057, 8568, 9208, 9282, 10359, 10608, 12376, 13104, 13812, 13923, 14963, 15912, 16114, 17136, 18416, 18564, 19567, 20718, 24171, 24752, 27624, 27846, 29926, 31824, 32228, 37128, 39134, 41436, 44889, 48342, 55248, 55692, 58701, 59852, 64456, 72513, 74256, 78268, 82872, 89778, 96684, 104741, 111384, 117402, 119704, 128912, 134667, 136969, 145026, 156536, 165744, 176103, 179556, 193368, 209482, 222768, 234804, 239408, 254371, 269334, 273938, 290052, 313072, 314223, 352206, 359112, 386736, 410907, 418964, 469608, 508742, 538668, 547876, 580104, 628446, 704412, 718224, 763113, 821814, 837928, 939216, 942669, 1017484, 1077336, 1095752, 1160208, 1232721, 1256892, 1408824, 1526226, 1643628, 1675856, 1780597, 1885338, 2034968, 2154672, 2191504, 2289339, 2465442, 2513784, 2817648, 3052452, 3287256, 3561194, 3770676, 4069936, 4578678, 4930884, 5027568, 5341791, 6104904, 6574512, 7122388, 7541352, 9157356, 9861768, 10683582, 12209808, 14244776, 15082704, 16025373, 18314712, 19723536, 21367164, 28489552, 32050746, 36629424, 42734328, 64101492, 85468656, 128202984, 256405968]

約数ペア:

[(1, 256405968), (2, 128202984), (3, 85468656), (4, 64101492), (6, 42734328), (7, 36629424), (8, 32050746), (9, 28489552), (12, 21367164), (13, 19723536), (14, 18314712), (16, 16025373), (17, 15082704), (18, 14244776), (21, 12209808), (24, 10683582), (26, 9861768), (28, 9157356), (34, 7541352), (36, 7122388), (39, 6574512), (42, 6104904), (48, 5341791), (51, 5027568), (52, 4930884), (56, 4578678), (63, 4069936), (68, 3770676), (72, 3561194), (78, 3287256), (84, 3052452), (91, 2817648), (102, 2513784), (104, 2465442), (112, 2289339), (117, 2191504), (119, 2154672), (126, 2034968), (136, 1885338), (144, 1780597), (153, 1675856), (156, 1643628), (168, 1526226), (182, 1408824), (204, 1256892), (208, 1232721), (221, 1160208), (234, 1095752), (238, 1077336), (252, 1017484), (272, 942669), (273, 939216), (306, 837928), (312, 821814), (336, 763113), (357, 718224), (364, 704412), (408, 628446), (442, 580104), (468, 547876), (476, 538668), (504, 508742), (546, 469608), (612, 418964), (624, 410907), (663, 386736), (714, 359112), (728, 352206), (816, 314223), (819, 313072), (884, 290052), (936, 273938), (952, 269334), (1008, 254371), (1071, 239408), (1092, 234804), (1151, 222768), (1224, 209482), (1326, 193368), (1428, 179556), (1456, 176103), (1547, 165744), (1638, 156536), (1768, 145026), (1872, 136969), (1904, 134667), (1989, 128912), (2142, 119704), (2184, 117402), (2302, 111384), (2448, 104741), (2652, 96684), (2856, 89778), (3094, 82872), (3276, 78268), (3453, 74256), (3536, 72513), (3978, 64456), (4284, 59852), (4368, 58701), (4604, 55692), (4641, 55248), (5304, 48342), (5712, 44889), (6188, 41436), (6552, 39134), (6906, 37128), (7956, 32228), (8057, 31824), (8568, 29926), (9208, 27846), (9282, 27624), (10359, 24752), (10608, 24171), (12376, 20718), (13104, 19567), (13812, 18564), (13923, 18416), (14963, 17136), (15912, 16114)]