128221704

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 400055040

約数和(自身を除く): 271833336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 156, 162, 186, 216, 234, 248, 279, 312, 324, 351, 372, 403, 468, 491, 558, 648, 702, 744, 806, 837, 936, 982, 1053, 1116, 1209, 1404, 1473, 1612, 1674, 1964, 2106, 2232, 2418, 2511, 2808, 2946, 3224, 3348, 3627, 3928, 4212, 4419, 4836, 5022, 5892, 6383, 6696, 7254, 8424, 8838, 9672, 10044, 10881, 11784, 12766, 13257, 14508, 15221, 17676, 19149, 20088, 21762, 25532, 26514, 29016, 30442, 32643, 35352, 38298, 39771, 43524, 45663, 51064, 53028, 57447, 60884, 65286, 76596, 79542, 87048, 91326, 106056, 114894, 121768, 130572, 136989, 153192, 159084, 172341, 182652, 197873, 229788, 261144, 273978, 318168, 344682, 365304, 395746, 410967, 459576, 517023, 547956, 593619, 689364, 791492, 821934, 1034046, 1095912, 1187238, 1232901, 1378728, 1582984, 1643868, 1780857, 2068092, 2374476, 2465802, 3287736, 3561714, 4136184, 4748952, 4931604, 5342571, 7123428, 9863208, 10685142, 14246856, 16027713, 21370284, 32055426, 42740568, 64110852, 128221704]

約数ペア:

[(1, 128221704), (2, 64110852), (3, 42740568), (4, 32055426), (6, 21370284), (8, 16027713), (9, 14246856), (12, 10685142), (13, 9863208), (18, 7123428), (24, 5342571), (26, 4931604), (27, 4748952), (31, 4136184), (36, 3561714), (39, 3287736), (52, 2465802), (54, 2374476), (62, 2068092), (72, 1780857), (78, 1643868), (81, 1582984), (93, 1378728), (104, 1232901), (108, 1187238), (117, 1095912), (124, 1034046), (156, 821934), (162, 791492), (186, 689364), (216, 593619), (234, 547956), (248, 517023), (279, 459576), (312, 410967), (324, 395746), (351, 365304), (372, 344682), (403, 318168), (468, 273978), (491, 261144), (558, 229788), (648, 197873), (702, 182652), (744, 172341), (806, 159084), (837, 153192), (936, 136989), (982, 130572), (1053, 121768), (1116, 114894), (1209, 106056), (1404, 91326), (1473, 87048), (1612, 79542), (1674, 76596), (1964, 65286), (2106, 60884), (2232, 57447), (2418, 53028), (2511, 51064), (2808, 45663), (2946, 43524), (3224, 39771), (3348, 38298), (3627, 35352), (3928, 32643), (4212, 30442), (4419, 29016), (4836, 26514), (5022, 25532), (5892, 21762), (6383, 20088), (6696, 19149), (7254, 17676), (8424, 15221), (8838, 14508), (9672, 13257), (10044, 12766), (10881, 11784)]