128303560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{541}}^1$

素因数の和:588

約数の個数: 144

約数和(自身を含む): 369801180

約数和(自身を除く): 241497620

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 541, 605, 616, 770, 847, 968, 980, 1078, 1082, 1210, 1540, 1694, 1960, 2156, 2164, 2420, 2695, 2705, 3080, 3388, 3787, 4235, 4312, 4328, 4840, 5390, 5410, 5929, 5951, 6776, 7574, 8470, 10780, 10820, 11858, 11902, 15148, 16940, 18935, 21560, 21640, 23716, 23804, 26509, 29645, 29755, 30296, 33880, 37870, 41657, 47432, 47608, 53018, 59290, 59510, 65461, 75740, 83314, 106036, 118580, 119020, 130922, 132545, 151480, 166628, 208285, 212072, 237160, 238040, 261844, 265090, 291599, 327305, 333256, 416570, 458227, 523688, 530180, 583198, 654610, 833140, 916454, 1060360, 1166396, 1309220, 1457995, 1666280, 1832908, 2291135, 2332792, 2618440, 2915990, 3207589, 3665816, 4582270, 5831980, 6415178, 9164540, 11663960, 12830356, 16037945, 18329080, 25660712, 32075890, 64151780, 128303560]

約数ペア:

[(1, 128303560), (2, 64151780), (4, 32075890), (5, 25660712), (7, 18329080), (8, 16037945), (10, 12830356), (11, 11663960), (14, 9164540), (20, 6415178), (22, 5831980), (28, 4582270), (35, 3665816), (40, 3207589), (44, 2915990), (49, 2618440), (55, 2332792), (56, 2291135), (70, 1832908), (77, 1666280), (88, 1457995), (98, 1309220), (110, 1166396), (121, 1060360), (140, 916454), (154, 833140), (196, 654610), (220, 583198), (242, 530180), (245, 523688), (280, 458227), (308, 416570), (385, 333256), (392, 327305), (440, 291599), (484, 265090), (490, 261844), (539, 238040), (541, 237160), (605, 212072), (616, 208285), (770, 166628), (847, 151480), (968, 132545), (980, 130922), (1078, 119020), (1082, 118580), (1210, 106036), (1540, 83314), (1694, 75740), (1960, 65461), (2156, 59510), (2164, 59290), (2420, 53018), (2695, 47608), (2705, 47432), (3080, 41657), (3388, 37870), (3787, 33880), (4235, 30296), (4312, 29755), (4328, 29645), (4840, 26509), (5390, 23804), (5410, 23716), (5929, 21640), (5951, 21560), (6776, 18935), (7574, 16940), (8470, 15148), (10780, 11902), (10820, 11858)]