251080517120

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1\times {\mathrm{1811}}^1$

素因数の和:3612

約数の個数: 160

約数和(自身を含む): 622123324416

約数和(自身を除く): 371042807296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1747, 1811, 1984, 2480, 2560, 3494, 3622, 3968, 4960, 6988, 7244, 7936, 8735, 9055, 9920, 13976, 14488, 15872, 17470, 18110, 19840, 27952, 28976, 34940, 36220, 39680, 54157, 55904, 56141, 57952, 69880, 72440, 79360, 108314, 111808, 112282, 115904, 139760, 144880, 216628, 223616, 224564, 231808, 270785, 279520, 280705, 289760, 433256, 447232, 449128, 463616, 541570, 559040, 561410, 579520, 866512, 894464, 898256, 927232, 1083140, 1118080, 1122820, 1159040, 1733024, 1796512, 2166280, 2236160, 2245640, 2318080, 3163817, 3466048, 3593024, 4332560, 4472320, 4491280, 4636160, 6327634, 6932096, 7186048, 8665120, 8982560, 12655268, 13864192, 14372096, 15819085, 17330240, 17965120, 25310536, 27728384, 28744192, 31638170, 34660480, 35930240, 50621072, 63276340, 69320960, 71860480, 98078327, 101242144, 126552680, 138641920, 143720960, 196156654, 202484288, 253105360, 392313308, 404968576, 490391635, 506210720, 784626616, 809937152, 980783270, 1012421440, 1569253232, 1619874304, 1961566540, 2024842880, 3138506464, 3923133080, 4049685760, 6277012928, 7846266160, 8099371520, 12554025856, 15692532320, 25108051712, 31385064640, 50216103424, 62770129280, 125540258560, 251080517120]

約数ペア:

[(1, 251080517120), (2, 125540258560), (4, 62770129280), (5, 50216103424), (8, 31385064640), (10, 25108051712), (16, 15692532320), (20, 12554025856), (31, 8099371520), (32, 7846266160), (40, 6277012928), (62, 4049685760), (64, 3923133080), (80, 3138506464), (124, 2024842880), (128, 1961566540), (155, 1619874304), (160, 1569253232), (248, 1012421440), (256, 980783270), (310, 809937152), (320, 784626616), (496, 506210720), (512, 490391635), (620, 404968576), (640, 392313308), (992, 253105360), (1240, 202484288), (1280, 196156654), (1747, 143720960), (1811, 138641920), (1984, 126552680), (2480, 101242144), (2560, 98078327), (3494, 71860480), (3622, 69320960), (3968, 63276340), (4960, 50621072), (6988, 35930240), (7244, 34660480), (7936, 31638170), (8735, 28744192), (9055, 27728384), (9920, 25310536), (13976, 17965120), (14488, 17330240), (15872, 15819085), (17470, 14372096), (18110, 13864192), (19840, 12655268), (27952, 8982560), (28976, 8665120), (34940, 7186048), (36220, 6932096), (39680, 6327634), (54157, 4636160), (55904, 4491280), (56141, 4472320), (57952, 4332560), (69880, 3593024), (72440, 3466048), (79360, 3163817), (108314, 2318080), (111808, 2245640), (112282, 2236160), (115904, 2166280), (139760, 1796512), (144880, 1733024), (216628, 1159040), (223616, 1122820), (224564, 1118080), (231808, 1083140), (270785, 927232), (279520, 898256), (280705, 894464), (289760, 866512), (433256, 579520), (447232, 561410), (449128, 559040), (463616, 541570)]