259008880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 683956224

約数和(自身を除く): 424947344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 53, 65, 74, 80, 104, 106, 127, 130, 148, 185, 208, 212, 254, 260, 265, 296, 370, 424, 481, 508, 520, 530, 592, 635, 689, 740, 848, 962, 1016, 1040, 1060, 1270, 1378, 1480, 1651, 1924, 1961, 2032, 2120, 2405, 2540, 2756, 2960, 3302, 3445, 3848, 3922, 4240, 4699, 4810, 5080, 5512, 6604, 6731, 6890, 7696, 7844, 8255, 9398, 9620, 9805, 10160, 11024, 13208, 13462, 13780, 15688, 16510, 18796, 19240, 19610, 23495, 25493, 26416, 26924, 27560, 31376, 33020, 33655, 37592, 38480, 39220, 46990, 50986, 53848, 55120, 61087, 66040, 67310, 75184, 78440, 87503, 93980, 101972, 107696, 122174, 127465, 132080, 134620, 156880, 175006, 187960, 203944, 244348, 249047, 254930, 269240, 305435, 350012, 375920, 407888, 437515, 488696, 498094, 509860, 538480, 610870, 700024, 875030, 977392, 996188, 1019720, 1221740, 1245235, 1400048, 1750060, 1992376, 2039440, 2443480, 2490470, 3237611, 3500120, 3984752, 4886960, 4980940, 6475222, 7000240, 9961880, 12950444, 16188055, 19923760, 25900888, 32376110, 51801776, 64752220, 129504440, 259008880]

約数ペア:

[(1, 259008880), (2, 129504440), (4, 64752220), (5, 51801776), (8, 32376110), (10, 25900888), (13, 19923760), (16, 16188055), (20, 12950444), (26, 9961880), (37, 7000240), (40, 6475222), (52, 4980940), (53, 4886960), (65, 3984752), (74, 3500120), (80, 3237611), (104, 2490470), (106, 2443480), (127, 2039440), (130, 1992376), (148, 1750060), (185, 1400048), (208, 1245235), (212, 1221740), (254, 1019720), (260, 996188), (265, 977392), (296, 875030), (370, 700024), (424, 610870), (481, 538480), (508, 509860), (520, 498094), (530, 488696), (592, 437515), (635, 407888), (689, 375920), (740, 350012), (848, 305435), (962, 269240), (1016, 254930), (1040, 249047), (1060, 244348), (1270, 203944), (1378, 187960), (1480, 175006), (1651, 156880), (1924, 134620), (1961, 132080), (2032, 127465), (2120, 122174), (2405, 107696), (2540, 101972), (2756, 93980), (2960, 87503), (3302, 78440), (3445, 75184), (3848, 67310), (3922, 66040), (4240, 61087), (4699, 55120), (4810, 53848), (5080, 50986), (5512, 46990), (6604, 39220), (6731, 38480), (6890, 37592), (7696, 33655), (7844, 33020), (8255, 31376), (9398, 27560), (9620, 26924), (9805, 26416), (10160, 25493), (11024, 23495), (13208, 19610), (13462, 19240), (13780, 18796), (15688, 16510)]