68445520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 193987584

約数和(自身を除く): 125542064

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 193, 208, 220, 248, 260, 286, 310, 341, 386, 403, 440, 496, 520, 572, 620, 682, 715, 772, 806, 880, 965, 1040, 1144, 1240, 1364, 1430, 1544, 1612, 1705, 1930, 2015, 2123, 2288, 2480, 2509, 2728, 2860, 3088, 3224, 3410, 3860, 4030, 4246, 4433, 5018, 5456, 5720, 5983, 6448, 6820, 7720, 8060, 8492, 8866, 10036, 10615, 11440, 11966, 12545, 13640, 15440, 16120, 16984, 17732, 20072, 21230, 22165, 23932, 25090, 27280, 27599, 29915, 32240, 33968, 35464, 40144, 42460, 44330, 47864, 50180, 55198, 59830, 65813, 70928, 77779, 84920, 88660, 95728, 100360, 110396, 119660, 131626, 137995, 155558, 169840, 177320, 200720, 220792, 239320, 263252, 275990, 311116, 329065, 354640, 388895, 441584, 478640, 526504, 551980, 622232, 658130, 777790, 855569, 1053008, 1103960, 1244464, 1316260, 1555580, 1711138, 2207920, 2632520, 3111160, 3422276, 4277845, 5265040, 6222320, 6844552, 8555690, 13689104, 17111380, 34222760, 68445520]

約数ペア:

[(1, 68445520), (2, 34222760), (4, 17111380), (5, 13689104), (8, 8555690), (10, 6844552), (11, 6222320), (13, 5265040), (16, 4277845), (20, 3422276), (22, 3111160), (26, 2632520), (31, 2207920), (40, 1711138), (44, 1555580), (52, 1316260), (55, 1244464), (62, 1103960), (65, 1053008), (80, 855569), (88, 777790), (104, 658130), (110, 622232), (124, 551980), (130, 526504), (143, 478640), (155, 441584), (176, 388895), (193, 354640), (208, 329065), (220, 311116), (248, 275990), (260, 263252), (286, 239320), (310, 220792), (341, 200720), (386, 177320), (403, 169840), (440, 155558), (496, 137995), (520, 131626), (572, 119660), (620, 110396), (682, 100360), (715, 95728), (772, 88660), (806, 84920), (880, 77779), (965, 70928), (1040, 65813), (1144, 59830), (1240, 55198), (1364, 50180), (1430, 47864), (1544, 44330), (1612, 42460), (1705, 40144), (1930, 35464), (2015, 33968), (2123, 32240), (2288, 29915), (2480, 27599), (2509, 27280), (2728, 25090), (2860, 23932), (3088, 22165), (3224, 21230), (3410, 20072), (3860, 17732), (4030, 16984), (4246, 16120), (4433, 15440), (5018, 13640), (5456, 12545), (5720, 11966), (5983, 11440), (6448, 10615), (6820, 10036), (7720, 8866), (8060, 8492)]