12980698768520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{10651}}^1\times {\mathrm{6299}}^1$

素因数の和:17659

約数の個数: 128

約数和(自身を含む): 33435690624000

約数和(自身を除く): 20454991855480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691, 1382, 2764, 3455, 4837, 5528, 6299, 6910, 9674, 10651, 12598, 13820, 19348, 21302, 24185, 25196, 27640, 31495, 38696, 42604, 44093, 48370, 50392, 53255, 62990, 74557, 85208, 88186, 96740, 106510, 125980, 149114, 176372, 193480, 213020, 220465, 251960, 298228, 352744, 372785, 426040, 440930, 596456, 745570, 881860, 1491140, 1763720, 2982280, 4352609, 7359841, 8705218, 14719682, 17410436, 21763045, 29439364, 30468263, 34820872, 36799205, 43526090, 51518887, 58878728, 60936526, 67090649, 73598410, 87052180, 103037774, 121873052, 134181298, 147196820, 152341315, 174104360, 206075548, 243746104, 257594435, 268362596, 294393640, 304682630, 335453245, 412151096, 469634543, 515188870, 536725192, 609365260, 670906490, 939269086, 1030377740, 1218730520, 1341812980, 1878538172, 2060755480, 2348172715, 2683625960, 3757076344, 4696345430, 9392690860, 18785381720, 46359638459, 92719276918, 185438553836, 231798192295, 324517469213, 370877107672, 463596384590, 649034938426, 927192769180, 1298069876852, 1622587346065, 1854385538360, 2596139753704, 3245174692130, 6490349384260, 12980698768520]

約数ペア:

[(1, 12980698768520), (2, 6490349384260), (4, 3245174692130), (5, 2596139753704), (7, 1854385538360), (8, 1622587346065), (10, 1298069876852), (14, 927192769180), (20, 649034938426), (28, 463596384590), (35, 370877107672), (40, 324517469213), (56, 231798192295), (70, 185438553836), (140, 92719276918), (280, 46359638459), (691, 18785381720), (1382, 9392690860), (2764, 4696345430), (3455, 3757076344), (4837, 2683625960), (5528, 2348172715), (6299, 2060755480), (6910, 1878538172), (9674, 1341812980), (10651, 1218730520), (12598, 1030377740), (13820, 939269086), (19348, 670906490), (21302, 609365260), (24185, 536725192), (25196, 515188870), (27640, 469634543), (31495, 412151096), (38696, 335453245), (42604, 304682630), (44093, 294393640), (48370, 268362596), (50392, 257594435), (53255, 243746104), (62990, 206075548), (74557, 174104360), (85208, 152341315), (88186, 147196820), (96740, 134181298), (106510, 121873052), (125980, 103037774), (149114, 87052180), (176372, 73598410), (193480, 67090649), (213020, 60936526), (220465, 58878728), (251960, 51518887), (298228, 43526090), (352744, 36799205), (372785, 34820872), (426040, 30468263), (440930, 29439364), (596456, 21763045), (745570, 17410436), (881860, 14719682), (1491140, 8705218), (1763720, 7359841), (2982280, 4352609)]