128535680

素因数分解:

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

素因数の和:2246

約数の個数: 128

約数和(自身を含む): 378362880

約数和(自身を除く): 249827200

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, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2207, 2240, 2912, 3640, 4160, 4414, 4480, 5824, 7280, 8320, 8828, 11035, 11648, 14560, 15449, 17656, 22070, 28691, 29120, 30898, 35312, 44140, 57382, 58240, 61796, 70624, 77245, 88280, 114764, 123592, 141248, 143455, 154490, 176560, 200837, 229528, 247184, 282496, 286910, 308980, 353120, 401674, 459056, 494368, 573820, 617960, 706240, 803348, 918112, 988736, 1004185, 1147640, 1235920, 1412480, 1606696, 1836224, 1977472, 2008370, 2295280, 2471840, 3213392, 3672448, 4016740, 4590560, 4943680, 6426784, 8033480, 9181120, 9887360, 12853568, 16066960, 18362240, 25707136, 32133920, 64267840, 128535680]

約数ペア:

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