257071360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2207}}^1$

素因数の和:2248

約数の個数: 144

約数和(自身を含む): 758209536

約数和(自身を除く): 501138176

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2207, 2240, 2912, 3328, 3640, 4160, 4414, 4480, 5824, 7280, 8320, 8828, 8960, 11035, 11648, 14560, 15449, 16640, 17656, 22070, 23296, 28691, 29120, 30898, 35312, 44140, 57382, 58240, 61796, 70624, 77245, 88280, 114764, 116480, 123592, 141248, 143455, 154490, 176560, 200837, 229528, 247184, 282496, 286910, 308980, 353120, 401674, 459056, 494368, 564992, 573820, 617960, 706240, 803348, 918112, 988736, 1004185, 1147640, 1235920, 1412480, 1606696, 1836224, 1977472, 2008370, 2295280, 2471840, 2824960, 3213392, 3672448, 3954944, 4016740, 4590560, 4943680, 6426784, 7344896, 8033480, 9181120, 9887360, 12853568, 16066960, 18362240, 19774720, 25707136, 32133920, 36724480, 51414272, 64267840, 128535680, 257071360]

約数ペア:

[(1, 257071360), (2, 128535680), (4, 64267840), (5, 51414272), (7, 36724480), (8, 32133920), (10, 25707136), (13, 19774720), (14, 18362240), (16, 16066960), (20, 12853568), (26, 9887360), (28, 9181120), (32, 8033480), (35, 7344896), (40, 6426784), (52, 4943680), (56, 4590560), (64, 4016740), (65, 3954944), (70, 3672448), (80, 3213392), (91, 2824960), (104, 2471840), (112, 2295280), (128, 2008370), (130, 1977472), (140, 1836224), (160, 1606696), (182, 1412480), (208, 1235920), (224, 1147640), (256, 1004185), (260, 988736), (280, 918112), (320, 803348), (364, 706240), (416, 617960), (448, 573820), (455, 564992), (520, 494368), (560, 459056), (640, 401674), (728, 353120), (832, 308980), (896, 286910), (910, 282496), (1040, 247184), (1120, 229528), (1280, 200837), (1456, 176560), (1664, 154490), (1792, 143455), (1820, 141248), (2080, 123592), (2207, 116480), (2240, 114764), (2912, 88280), (3328, 77245), (3640, 70624), (4160, 61796), (4414, 58240), (4480, 57382), (5824, 44140), (7280, 35312), (8320, 30898), (8828, 29120), (8960, 28691), (11035, 23296), (11648, 22070), (14560, 17656), (15449, 16640)]