247225160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2953}}^1$

素因数の和:3007

約数の個数: 128

約数和(自身を含む): 714631680

約数和(自身を除く): 467406520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2953, 2990, 3220, 3640, 4186, 5906, 5980, 6440, 8372, 10465, 11812, 11960, 14765, 16744, 20671, 20930, 23624, 29530, 38389, 41342, 41860, 59060, 67919, 76778, 82684, 83720, 103355, 118120, 135838, 153556, 165368, 191945, 206710, 268723, 271676, 307112, 339595, 383890, 413420, 475433, 537446, 543352, 679190, 767780, 826840, 882947, 950866, 1074892, 1343615, 1358380, 1535560, 1765894, 1901732, 2149784, 2377165, 2687230, 2716760, 3531788, 3803464, 4414735, 4754330, 5374460, 6180629, 7063576, 8829470, 9508660, 10748920, 12361258, 17658940, 19017320, 24722516, 30903145, 35317880, 49445032, 61806290, 123612580, 247225160]

約数ペア:

[(1, 247225160), (2, 123612580), (4, 61806290), (5, 49445032), (7, 35317880), (8, 30903145), (10, 24722516), (13, 19017320), (14, 17658940), (20, 12361258), (23, 10748920), (26, 9508660), (28, 8829470), (35, 7063576), (40, 6180629), (46, 5374460), (52, 4754330), (56, 4414735), (65, 3803464), (70, 3531788), (91, 2716760), (92, 2687230), (104, 2377165), (115, 2149784), (130, 1901732), (140, 1765894), (161, 1535560), (182, 1358380), (184, 1343615), (230, 1074892), (260, 950866), (280, 882947), (299, 826840), (322, 767780), (364, 679190), (455, 543352), (460, 537446), (520, 475433), (598, 413420), (644, 383890), (728, 339595), (805, 307112), (910, 271676), (920, 268723), (1196, 206710), (1288, 191945), (1495, 165368), (1610, 153556), (1820, 135838), (2093, 118120), (2392, 103355), (2953, 83720), (2990, 82684), (3220, 76778), (3640, 67919), (4186, 59060), (5906, 41860), (5980, 41342), (6440, 38389), (8372, 29530), (10465, 23624), (11812, 20930), (11960, 20671), (14765, 16744)]