140797280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 371879424

約数和(自身を除く): 231082144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 127, 130, 160, 164, 169, 205, 208, 254, 260, 328, 338, 410, 416, 508, 520, 533, 635, 656, 676, 820, 845, 1016, 1040, 1066, 1270, 1312, 1352, 1640, 1651, 1690, 2032, 2080, 2132, 2540, 2665, 2704, 3280, 3302, 3380, 4064, 4264, 5080, 5207, 5330, 5408, 6560, 6604, 6760, 6929, 8255, 8528, 10160, 10414, 10660, 13208, 13520, 13858, 16510, 17056, 20320, 20828, 21320, 21463, 26035, 26416, 27040, 27716, 33020, 34645, 41656, 42640, 42926, 52070, 52832, 55432, 66040, 67691, 69290, 83312, 85280, 85852, 104140, 107315, 110864, 132080, 135382, 138580, 166624, 171704, 208280, 214630, 221728, 264160, 270764, 277160, 338455, 343408, 416560, 429260, 541528, 554320, 676910, 686816, 833120, 858520, 879983, 1083056, 1108640, 1353820, 1717040, 1759966, 2166112, 2707640, 3434080, 3519932, 4399915, 5415280, 7039864, 8799830, 10830560, 14079728, 17599660, 28159456, 35199320, 70398640, 140797280]

約数ペア:

[(1, 140797280), (2, 70398640), (4, 35199320), (5, 28159456), (8, 17599660), (10, 14079728), (13, 10830560), (16, 8799830), (20, 7039864), (26, 5415280), (32, 4399915), (40, 3519932), (41, 3434080), (52, 2707640), (65, 2166112), (80, 1759966), (82, 1717040), (104, 1353820), (127, 1108640), (130, 1083056), (160, 879983), (164, 858520), (169, 833120), (205, 686816), (208, 676910), (254, 554320), (260, 541528), (328, 429260), (338, 416560), (410, 343408), (416, 338455), (508, 277160), (520, 270764), (533, 264160), (635, 221728), (656, 214630), (676, 208280), (820, 171704), (845, 166624), (1016, 138580), (1040, 135382), (1066, 132080), (1270, 110864), (1312, 107315), (1352, 104140), (1640, 85852), (1651, 85280), (1690, 83312), (2032, 69290), (2080, 67691), (2132, 66040), (2540, 55432), (2665, 52832), (2704, 52070), (3280, 42926), (3302, 42640), (3380, 41656), (4064, 34645), (4264, 33020), (5080, 27716), (5207, 27040), (5330, 26416), (5408, 26035), (6560, 21463), (6604, 21320), (6760, 20828), (6929, 20320), (8255, 17056), (8528, 16510), (10160, 13858), (10414, 13520), (10660, 13208)]