281594560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 168

約数和(自身を含む): 749661696

約数和(自身を除く): 468067136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 127, 130, 160, 164, 169, 205, 208, 254, 260, 320, 328, 338, 410, 416, 508, 520, 533, 635, 656, 676, 820, 832, 845, 1016, 1040, 1066, 1270, 1312, 1352, 1640, 1651, 1690, 2032, 2080, 2132, 2540, 2624, 2665, 2704, 3280, 3302, 3380, 4064, 4160, 4264, 5080, 5207, 5330, 5408, 6560, 6604, 6760, 6929, 8128, 8255, 8528, 10160, 10414, 10660, 10816, 13120, 13208, 13520, 13858, 16510, 17056, 20320, 20828, 21320, 21463, 26035, 26416, 27040, 27716, 33020, 34112, 34645, 40640, 41656, 42640, 42926, 52070, 52832, 54080, 55432, 66040, 67691, 69290, 83312, 85280, 85852, 104140, 105664, 107315, 110864, 132080, 135382, 138580, 166624, 170560, 171704, 208280, 214630, 221728, 264160, 270764, 277160, 333248, 338455, 343408, 416560, 429260, 443456, 528320, 541528, 554320, 676910, 686816, 833120, 858520, 879983, 1083056, 1108640, 1353820, 1373632, 1666240, 1717040, 1759966, 2166112, 2217280, 2707640, 3434080, 3519932, 4332224, 4399915, 5415280, 6868160, 7039864, 8799830, 10830560, 14079728, 17599660, 21661120, 28159456, 35199320, 56318912, 70398640, 140797280, 281594560]

約数ペア:

[(1, 281594560), (2, 140797280), (4, 70398640), (5, 56318912), (8, 35199320), (10, 28159456), (13, 21661120), (16, 17599660), (20, 14079728), (26, 10830560), (32, 8799830), (40, 7039864), (41, 6868160), (52, 5415280), (64, 4399915), (65, 4332224), (80, 3519932), (82, 3434080), (104, 2707640), (127, 2217280), (130, 2166112), (160, 1759966), (164, 1717040), (169, 1666240), (205, 1373632), (208, 1353820), (254, 1108640), (260, 1083056), (320, 879983), (328, 858520), (338, 833120), (410, 686816), (416, 676910), (508, 554320), (520, 541528), (533, 528320), (635, 443456), (656, 429260), (676, 416560), (820, 343408), (832, 338455), (845, 333248), (1016, 277160), (1040, 270764), (1066, 264160), (1270, 221728), (1312, 214630), (1352, 208280), (1640, 171704), (1651, 170560), (1690, 166624), (2032, 138580), (2080, 135382), (2132, 132080), (2540, 110864), (2624, 107315), (2665, 105664), (2704, 104140), (3280, 85852), (3302, 85280), (3380, 83312), (4064, 69290), (4160, 67691), (4264, 66040), (5080, 55432), (5207, 54080), (5330, 52832), (5408, 52070), (6560, 42926), (6604, 42640), (6760, 41656), (6929, 40640), (8128, 34645), (8255, 34112), (8528, 33020), (10160, 27716), (10414, 27040), (10660, 26416), (10816, 26035), (13120, 21463), (13208, 21320), (13520, 20828), (13858, 20320), (16510, 17056)]