20160981225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:965

約数の個数: 288

約数和(自身を含む): 48096921600

約数和(自身を除く): 27935940375

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 25, 33, 35, 45, 55, 57, 63, 73, 75, 77, 95, 99, 105, 133, 165, 171, 175, 209, 219, 225, 231, 275, 285, 315, 365, 385, 399, 475, 495, 511, 525, 627, 657, 665, 693, 803, 825, 839, 855, 1045, 1095, 1155, 1197, 1387, 1425, 1463, 1533, 1575, 1825, 1881, 1925, 1995, 2409, 2475, 2517, 2555, 3135, 3285, 3325, 3465, 4015, 4161, 4195, 4275, 4389, 4599, 5225, 5475, 5621, 5775, 5873, 5985, 6935, 7227, 7315, 7551, 7665, 9229, 9405, 9709, 9975, 12045, 12483, 12585, 12775, 13167, 15257, 15675, 15941, 16425, 16863, 17325, 17619, 20075, 20805, 20975, 21945, 22995, 27687, 28105, 29127, 29365, 29925, 34675, 36135, 36575, 37755, 38325, 45771, 46145, 47025, 47823, 48545, 50589, 52857, 60225, 61247, 62415, 62925, 64603, 65835, 76285, 79705, 83061, 84315, 87381, 88095, 104025, 106799, 109725, 111587, 114975, 137313, 138435, 140525, 143469, 145635, 146825, 175351, 180675, 183741, 188775, 193809, 228855, 230725, 239115, 242725, 252945, 264285, 306235, 312075, 320397, 323015, 329175, 334761, 381425, 398525, 415305, 421575, 428729, 436905, 440475, 526053, 533995, 551223, 557935, 581427, 673717, 686565, 692175, 717345, 728175, 876755, 918705, 961191, 969045, 1004283, 1144275, 1163693, 1195575, 1227457, 1264725, 1286187, 1321425, 1531175, 1578159, 1601985, 1615075, 1673805, 2021151, 2076525, 2143645, 2184525, 2630265, 2669975, 2756115, 2789675, 2907135, 3368585, 3432825, 3491079, 3586725, 3682371, 3858561, 4383775, 4593525, 4716019, 4805955, 4845225, 5021415, 5818465, 6063453, 6137285, 6430935, 7890795, 8009925, 8145851, 8369025, 10105755, 10473237, 10718225, 11047113, 12800623, 13151325, 13780575, 14148057, 14535675, 16842925, 17455395, 18411855, 19292805, 23580095, 24029775, 24437553, 25107075, 29092325, 30317265, 30686425, 32154675, 38401869, 39453975, 40729255, 42444171, 50528775, 52366185, 55235565, 64003115, 70740285, 73312659, 87276975, 89604361, 92059275, 96464025, 115205607, 117900475, 122187765, 151586325, 192009345, 203646275, 212220855, 261830925, 268813083, 276177825, 320015575, 353701425, 366563295, 448021805, 576028035, 610938825, 806439249, 960046725, 1061104275, 1344065415, 1832816475, 2240109025, 2880140175, 4032196245, 6720327075, 20160981225]

約数ペア:

[(1, 20160981225), (3, 6720327075), (5, 4032196245), (7, 2880140175), (9, 2240109025), (11, 1832816475), (15, 1344065415), (19, 1061104275), (21, 960046725), (25, 806439249), (33, 610938825), (35, 576028035), (45, 448021805), (55, 366563295), (57, 353701425), (63, 320015575), (73, 276177825), (75, 268813083), (77, 261830925), (95, 212220855), (99, 203646275), (105, 192009345), (133, 151586325), (165, 122187765), (171, 117900475), (175, 115205607), (209, 96464025), (219, 92059275), (225, 89604361), (231, 87276975), (275, 73312659), (285, 70740285), (315, 64003115), (365, 55235565), (385, 52366185), (399, 50528775), (475, 42444171), (495, 40729255), (511, 39453975), (525, 38401869), (627, 32154675), (657, 30686425), (665, 30317265), (693, 29092325), (803, 25107075), (825, 24437553), (839, 24029775), (855, 23580095), (1045, 19292805), (1095, 18411855), (1155, 17455395), (1197, 16842925), (1387, 14535675), (1425, 14148057), (1463, 13780575), (1533, 13151325), (1575, 12800623), (1825, 11047113), (1881, 10718225), (1925, 10473237), (1995, 10105755), (2409, 8369025), (2475, 8145851), (2517, 8009925), (2555, 7890795), (3135, 6430935), (3285, 6137285), (3325, 6063453), (3465, 5818465), (4015, 5021415), (4161, 4845225), (4195, 4805955), (4275, 4716019), (4389, 4593525), (4599, 4383775), (5225, 3858561), (5475, 3682371), (5621, 3586725), (5775, 3491079), (5873, 3432825), (5985, 3368585), (6935, 2907135), (7227, 2789675), (7315, 2756115), (7551, 2669975), (7665, 2630265), (9229, 2184525), (9405, 2143645), (9709, 2076525), (9975, 2021151), (12045, 1673805), (12483, 1615075), (12585, 1601985), (12775, 1578159), (13167, 1531175), (15257, 1321425), (15675, 1286187), (15941, 1264725), (16425, 1227457), (16863, 1195575), (17325, 1163693), (17619, 1144275), (20075, 1004283), (20805, 969045), (20975, 961191), (21945, 918705), (22995, 876755), (27687, 728175), (28105, 717345), (29127, 692175), (29365, 686565), (29925, 673717), (34675, 581427), (36135, 557935), (36575, 551223), (37755, 533995), (38325, 526053), (45771, 440475), (46145, 436905), (47025, 428729), (47823, 421575), (48545, 415305), (50589, 398525), (52857, 381425), (60225, 334761), (61247, 329175), (62415, 323015), (62925, 320397), (64603, 312075), (65835, 306235), (76285, 264285), (79705, 252945), (83061, 242725), (84315, 239115), (87381, 230725), (88095, 228855), (104025, 193809), (106799, 188775), (109725, 183741), (111587, 180675), (114975, 175351), (137313, 146825), (138435, 145635), (140525, 143469)]