1020312920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 2745446400

約数和(自身を除く): 1725133480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 127, 152, 155, 190, 209, 220, 248, 254, 310, 341, 380, 418, 440, 508, 589, 620, 635, 682, 760, 836, 961, 1016, 1045, 1178, 1240, 1270, 1364, 1397, 1672, 1705, 1922, 2090, 2356, 2413, 2540, 2728, 2794, 2945, 3410, 3844, 3937, 4180, 4712, 4805, 4826, 5080, 5588, 5890, 6479, 6820, 6985, 7688, 7874, 8360, 9610, 9652, 10571, 11176, 11780, 12065, 12958, 13640, 13970, 15748, 18259, 19220, 19304, 19685, 21142, 23560, 24130, 25916, 26543, 27940, 31496, 32395, 36518, 38440, 39370, 42284, 43307, 48260, 51832, 52855, 53086, 55880, 64790, 73036, 74803, 78740, 84568, 86614, 91295, 96520, 105710, 106172, 122047, 129580, 132715, 146072, 149606, 157480, 173228, 182590, 200849, 211420, 212344, 216535, 244094, 259160, 265430, 299212, 346456, 365180, 374015, 401698, 422840, 433070, 488188, 530860, 598424, 610235, 730360, 748030, 803396, 822833, 866140, 976376, 1004245, 1061720, 1220470, 1342517, 1496060, 1606792, 1645666, 1732280, 2008490, 2318893, 2440940, 2685034, 2992120, 3291332, 4016980, 4114165, 4637786, 4881880, 5370068, 6582664, 6712585, 8033960, 8228330, 9275572, 10740136, 11594465, 13425170, 16456660, 18551144, 23188930, 25507823, 26850340, 32913320, 46377860, 51015646, 53700680, 92755720, 102031292, 127539115, 204062584, 255078230, 510156460, 1020312920]

約数ペア:

[(1, 1020312920), (2, 510156460), (4, 255078230), (5, 204062584), (8, 127539115), (10, 102031292), (11, 92755720), (19, 53700680), (20, 51015646), (22, 46377860), (31, 32913320), (38, 26850340), (40, 25507823), (44, 23188930), (55, 18551144), (62, 16456660), (76, 13425170), (88, 11594465), (95, 10740136), (110, 9275572), (124, 8228330), (127, 8033960), (152, 6712585), (155, 6582664), (190, 5370068), (209, 4881880), (220, 4637786), (248, 4114165), (254, 4016980), (310, 3291332), (341, 2992120), (380, 2685034), (418, 2440940), (440, 2318893), (508, 2008490), (589, 1732280), (620, 1645666), (635, 1606792), (682, 1496060), (760, 1342517), (836, 1220470), (961, 1061720), (1016, 1004245), (1045, 976376), (1178, 866140), (1240, 822833), (1270, 803396), (1364, 748030), (1397, 730360), (1672, 610235), (1705, 598424), (1922, 530860), (2090, 488188), (2356, 433070), (2413, 422840), (2540, 401698), (2728, 374015), (2794, 365180), (2945, 346456), (3410, 299212), (3844, 265430), (3937, 259160), (4180, 244094), (4712, 216535), (4805, 212344), (4826, 211420), (5080, 200849), (5588, 182590), (5890, 173228), (6479, 157480), (6820, 149606), (6985, 146072), (7688, 132715), (7874, 129580), (8360, 122047), (9610, 106172), (9652, 105710), (10571, 96520), (11176, 91295), (11780, 86614), (12065, 84568), (12958, 78740), (13640, 74803), (13970, 73036), (15748, 64790), (18259, 55880), (19220, 53086), (19304, 52855), (19685, 51832), (21142, 48260), (23560, 43307), (24130, 42284), (25916, 39370), (26543, 38440), (27940, 36518), (31496, 32395)]