257421528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 192

約数和(自身を含む): 868795200

約数和(自身を除く): 611373672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 101, 104, 117, 126, 156, 168, 182, 202, 234, 252, 273, 303, 312, 364, 389, 404, 468, 504, 546, 606, 707, 728, 778, 808, 819, 909, 936, 1092, 1167, 1212, 1313, 1414, 1556, 1638, 1818, 2121, 2184, 2334, 2424, 2626, 2723, 2828, 3112, 3276, 3501, 3636, 3939, 4242, 4668, 5057, 5252, 5446, 5656, 6363, 6552, 7002, 7272, 7878, 8169, 8484, 9191, 9336, 10114, 10504, 10892, 11817, 12726, 14004, 15171, 15756, 16338, 16968, 18382, 20228, 21784, 23634, 24507, 25452, 27573, 28008, 30342, 31512, 32676, 35399, 36764, 39289, 40456, 45513, 47268, 49014, 50904, 55146, 60684, 65352, 70798, 73528, 78578, 82719, 91026, 94536, 98028, 106197, 110292, 117867, 121368, 141596, 157156, 165438, 182052, 196056, 212394, 220584, 235734, 275023, 283192, 314312, 318591, 330876, 353601, 364104, 424788, 471468, 510757, 550046, 637182, 661752, 707202, 825069, 849576, 942936, 1021514, 1100092, 1274364, 1414404, 1532271, 1650138, 2043028, 2200184, 2475207, 2548728, 2828808, 3064542, 3300276, 3575299, 4086056, 4596813, 4950414, 6129084, 6600552, 7150598, 9193626, 9900828, 10725897, 12258168, 14301196, 18387252, 19801656, 21451794, 28602392, 32177691, 36774504, 42903588, 64355382, 85807176, 128710764, 257421528]

約数ペア:

[(1, 257421528), (2, 128710764), (3, 85807176), (4, 64355382), (6, 42903588), (7, 36774504), (8, 32177691), (9, 28602392), (12, 21451794), (13, 19801656), (14, 18387252), (18, 14301196), (21, 12258168), (24, 10725897), (26, 9900828), (28, 9193626), (36, 7150598), (39, 6600552), (42, 6129084), (52, 4950414), (56, 4596813), (63, 4086056), (72, 3575299), (78, 3300276), (84, 3064542), (91, 2828808), (101, 2548728), (104, 2475207), (117, 2200184), (126, 2043028), (156, 1650138), (168, 1532271), (182, 1414404), (202, 1274364), (234, 1100092), (252, 1021514), (273, 942936), (303, 849576), (312, 825069), (364, 707202), (389, 661752), (404, 637182), (468, 550046), (504, 510757), (546, 471468), (606, 424788), (707, 364104), (728, 353601), (778, 330876), (808, 318591), (819, 314312), (909, 283192), (936, 275023), (1092, 235734), (1167, 220584), (1212, 212394), (1313, 196056), (1414, 182052), (1556, 165438), (1638, 157156), (1818, 141596), (2121, 121368), (2184, 117867), (2334, 110292), (2424, 106197), (2626, 98028), (2723, 94536), (2828, 91026), (3112, 82719), (3276, 78578), (3501, 73528), (3636, 70798), (3939, 65352), (4242, 60684), (4668, 55146), (5057, 50904), (5252, 49014), (5446, 47268), (5656, 45513), (6363, 40456), (6552, 39289), (7002, 36764), (7272, 35399), (7878, 32676), (8169, 31512), (8484, 30342), (9191, 28008), (9336, 27573), (10114, 25452), (10504, 24507), (10892, 23634), (11817, 21784), (12726, 20228), (14004, 18382), (15171, 16968), (15756, 16338)]