255672018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 692428800

約数和(自身を除く): 436756782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 97, 114, 126, 133, 171, 189, 194, 266, 291, 342, 367, 378, 399, 513, 582, 679, 734, 798, 873, 1026, 1101, 1197, 1358, 1746, 1843, 2037, 2202, 2394, 2569, 2619, 3303, 3591, 3686, 4074, 5138, 5238, 5529, 6111, 6606, 6973, 7182, 7707, 9909, 11058, 12222, 12901, 13946, 15414, 16587, 18333, 19818, 20919, 23121, 25802, 33174, 35599, 36666, 38703, 41838, 46242, 48811, 49761, 62757, 69363, 71198, 77406, 97622, 99522, 106797, 116109, 125514, 138726, 146433, 188271, 213594, 232218, 249193, 292866, 320391, 348327, 376542, 439299, 498386, 640782, 676381, 696654, 747579, 878598, 961173, 1317897, 1352762, 1495158, 1922346, 2029143, 2242737, 2635794, 4058286, 4485474, 4734667, 6087429, 6728211, 9469334, 12174858, 13456422, 14204001, 18262287, 28408002, 36524574, 42612003, 85224006, 127836009, 255672018]

約数ペア:

[(1, 255672018), (2, 127836009), (3, 85224006), (6, 42612003), (7, 36524574), (9, 28408002), (14, 18262287), (18, 14204001), (19, 13456422), (21, 12174858), (27, 9469334), (38, 6728211), (42, 6087429), (54, 4734667), (57, 4485474), (63, 4058286), (97, 2635794), (114, 2242737), (126, 2029143), (133, 1922346), (171, 1495158), (189, 1352762), (194, 1317897), (266, 961173), (291, 878598), (342, 747579), (367, 696654), (378, 676381), (399, 640782), (513, 498386), (582, 439299), (679, 376542), (734, 348327), (798, 320391), (873, 292866), (1026, 249193), (1101, 232218), (1197, 213594), (1358, 188271), (1746, 146433), (1843, 138726), (2037, 125514), (2202, 116109), (2394, 106797), (2569, 99522), (2619, 97622), (3303, 77406), (3591, 71198), (3686, 69363), (4074, 62757), (5138, 49761), (5238, 48811), (5529, 46242), (6111, 41838), (6606, 38703), (6973, 36666), (7182, 35599), (7707, 33174), (9909, 25802), (11058, 23121), (12222, 20919), (12901, 19818), (13946, 18333), (15414, 16587)]