256970016

素因数分解:

$2^5\times 3^3\times {\mathrm{59}}^1\times {\mathrm{71}}^2$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 773085600

約数和(自身を除く): 516115584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 71, 72, 96, 108, 118, 142, 144, 177, 213, 216, 236, 284, 288, 354, 426, 432, 472, 531, 568, 639, 708, 852, 864, 944, 1062, 1136, 1278, 1416, 1593, 1704, 1888, 1917, 2124, 2272, 2556, 2832, 3186, 3408, 3834, 4189, 4248, 5041, 5112, 5664, 6372, 6816, 7668, 8378, 8496, 10082, 10224, 12567, 12744, 15123, 15336, 16756, 16992, 20164, 20448, 25134, 25488, 30246, 30672, 33512, 37701, 40328, 45369, 50268, 50976, 60492, 61344, 67024, 75402, 80656, 90738, 100536, 113103, 120984, 134048, 136107, 150804, 161312, 181476, 201072, 226206, 241968, 272214, 297419, 301608, 362952, 402144, 452412, 483936, 544428, 594838, 603216, 725904, 892257, 904824, 1088856, 1189676, 1206432, 1451808, 1784514, 1809648, 2177712, 2379352, 2676771, 3569028, 3619296, 4355424, 4758704, 5353542, 7138056, 8030313, 9517408, 10707084, 14276112, 16060626, 21414168, 28552224, 32121252, 42828336, 64242504, 85656672, 128485008, 256970016]

約数ペア:

[(1, 256970016), (2, 128485008), (3, 85656672), (4, 64242504), (6, 42828336), (8, 32121252), (9, 28552224), (12, 21414168), (16, 16060626), (18, 14276112), (24, 10707084), (27, 9517408), (32, 8030313), (36, 7138056), (48, 5353542), (54, 4758704), (59, 4355424), (71, 3619296), (72, 3569028), (96, 2676771), (108, 2379352), (118, 2177712), (142, 1809648), (144, 1784514), (177, 1451808), (213, 1206432), (216, 1189676), (236, 1088856), (284, 904824), (288, 892257), (354, 725904), (426, 603216), (432, 594838), (472, 544428), (531, 483936), (568, 452412), (639, 402144), (708, 362952), (852, 301608), (864, 297419), (944, 272214), (1062, 241968), (1136, 226206), (1278, 201072), (1416, 181476), (1593, 161312), (1704, 150804), (1888, 136107), (1917, 134048), (2124, 120984), (2272, 113103), (2556, 100536), (2832, 90738), (3186, 80656), (3408, 75402), (3834, 67024), (4189, 61344), (4248, 60492), (5041, 50976), (5112, 50268), (5664, 45369), (6372, 40328), (6816, 37701), (7668, 33512), (8378, 30672), (8496, 30246), (10082, 25488), (10224, 25134), (12567, 20448), (12744, 20164), (15123, 16992), (15336, 16756)]