721424184

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1245

約数の個数: 128

約数和(自身を含む): 2039385600

約数和(自身を除く): 1317961416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 71, 78, 87, 104, 116, 142, 156, 174, 213, 232, 284, 312, 348, 377, 426, 568, 696, 754, 852, 923, 1123, 1131, 1508, 1704, 1846, 2059, 2246, 2262, 2769, 3016, 3369, 3692, 4118, 4492, 4524, 5538, 6177, 6738, 7384, 8236, 8984, 9048, 11076, 12354, 13476, 14599, 16472, 22152, 24708, 26767, 26952, 29198, 32567, 43797, 49416, 53534, 58396, 65134, 79733, 80301, 87594, 97701, 107068, 116792, 130268, 159466, 160602, 175188, 195402, 214136, 239199, 260536, 318932, 321204, 350376, 390804, 423371, 478398, 637864, 642408, 781608, 846742, 956796, 1036529, 1270113, 1693484, 1913592, 2073058, 2312257, 2540226, 3109587, 3386968, 4146116, 4624514, 5080452, 6219174, 6936771, 8292232, 9249028, 10160904, 12438348, 13873542, 18498056, 24876696, 27747084, 30059341, 55494168, 60118682, 90178023, 120237364, 180356046, 240474728, 360712092, 721424184]

約数ペア:

[(1, 721424184), (2, 360712092), (3, 240474728), (4, 180356046), (6, 120237364), (8, 90178023), (12, 60118682), (13, 55494168), (24, 30059341), (26, 27747084), (29, 24876696), (39, 18498056), (52, 13873542), (58, 12438348), (71, 10160904), (78, 9249028), (87, 8292232), (104, 6936771), (116, 6219174), (142, 5080452), (156, 4624514), (174, 4146116), (213, 3386968), (232, 3109587), (284, 2540226), (312, 2312257), (348, 2073058), (377, 1913592), (426, 1693484), (568, 1270113), (696, 1036529), (754, 956796), (852, 846742), (923, 781608), (1123, 642408), (1131, 637864), (1508, 478398), (1704, 423371), (1846, 390804), (2059, 350376), (2246, 321204), (2262, 318932), (2769, 260536), (3016, 239199), (3369, 214136), (3692, 195402), (4118, 175188), (4492, 160602), (4524, 159466), (5538, 130268), (6177, 116792), (6738, 107068), (7384, 97701), (8236, 87594), (8984, 80301), (9048, 79733), (11076, 65134), (12354, 58396), (13476, 53534), (14599, 49416), (16472, 43797), (22152, 32567), (24708, 29198), (26767, 26952)]