81820916912

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:572

約数の個数: 240

約数和(自身を含む): 199591392000

約数和(自身を除く): 117770475088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 56, 58, 76, 112, 116, 131, 133, 152, 203, 232, 262, 266, 304, 349, 406, 464, 524, 532, 551, 698, 812, 841, 917, 1048, 1064, 1102, 1396, 1624, 1682, 1834, 2096, 2128, 2204, 2443, 2489, 2792, 3248, 3364, 3668, 3799, 3857, 4408, 4886, 4978, 5584, 5887, 6631, 6728, 7336, 7598, 7714, 8816, 9772, 9956, 10121, 11774, 13262, 13456, 14672, 15196, 15428, 15979, 17423, 19544, 19912, 20242, 23548, 26524, 26593, 30392, 30856, 31958, 34846, 39088, 39824, 40484, 45719, 46417, 47096, 53048, 53186, 60784, 61712, 63916, 69692, 70847, 72181, 80968, 91438, 92834, 94192, 106096, 106372, 110171, 111853, 127832, 139384, 141694, 144362, 161936, 182876, 185668, 192299, 212744, 220342, 223706, 255664, 278768, 283388, 288724, 293509, 320033, 365752, 371336, 384598, 425488, 440684, 447412, 505267, 566776, 577448, 587018, 640066, 731504, 742672, 769196, 771197, 868661, 881368, 894824, 1010534, 1133552, 1154896, 1174036, 1280132, 1325851, 1346093, 1538392, 1542394, 1737322, 1762736, 1789648, 2021068, 2054563, 2093249, 2348072, 2560264, 2651702, 2692186, 3076784, 3084788, 3474644, 4042136, 4109126, 4186498, 4696144, 5120528, 5303404, 5384372, 5576671, 6080627, 6169576, 6949288, 8084272, 8218252, 8372996, 9280957, 10606808, 10768744, 11153342, 12161254, 12339152, 13898576, 14652743, 16436504, 16745992, 18561914, 21213616, 21537488, 22306684, 24322508, 25191169, 29305486, 32873008, 33491984, 37123828, 38449679, 39036697, 44613368, 48645016, 50382338, 58610972, 74247656, 76899358, 78073394, 89226736, 97290032, 100764676, 117221944, 148495312, 153798716, 156146788, 176338183, 201529352, 234443888, 269147753, 307597432, 312293576, 352676366, 403058704, 538295506, 615194864, 624587152, 705352732, 730543901, 1076591012, 1410705464, 1461087802, 2153182024, 2821410928, 2922175604, 4306364048, 5113807307, 5844351208, 10227614614, 11688702416, 20455229228, 40910458456, 81820916912]

約数ペア:

[(1, 81820916912), (2, 40910458456), (4, 20455229228), (7, 11688702416), (8, 10227614614), (14, 5844351208), (16, 5113807307), (19, 4306364048), (28, 2922175604), (29, 2821410928), (38, 2153182024), (56, 1461087802), (58, 1410705464), (76, 1076591012), (112, 730543901), (116, 705352732), (131, 624587152), (133, 615194864), (152, 538295506), (203, 403058704), (232, 352676366), (262, 312293576), (266, 307597432), (304, 269147753), (349, 234443888), (406, 201529352), (464, 176338183), (524, 156146788), (532, 153798716), (551, 148495312), (698, 117221944), (812, 100764676), (841, 97290032), (917, 89226736), (1048, 78073394), (1064, 76899358), (1102, 74247656), (1396, 58610972), (1624, 50382338), (1682, 48645016), (1834, 44613368), (2096, 39036697), (2128, 38449679), (2204, 37123828), (2443, 33491984), (2489, 32873008), (2792, 29305486), (3248, 25191169), (3364, 24322508), (3668, 22306684), (3799, 21537488), (3857, 21213616), (4408, 18561914), (4886, 16745992), (4978, 16436504), (5584, 14652743), (5887, 13898576), (6631, 12339152), (6728, 12161254), (7336, 11153342), (7598, 10768744), (7714, 10606808), (8816, 9280957), (9772, 8372996), (9956, 8218252), (10121, 8084272), (11774, 6949288), (13262, 6169576), (13456, 6080627), (14672, 5576671), (15196, 5384372), (15428, 5303404), (15979, 5120528), (17423, 4696144), (19544, 4186498), (19912, 4109126), (20242, 4042136), (23548, 3474644), (26524, 3084788), (26593, 3076784), (30392, 2692186), (30856, 2651702), (31958, 2560264), (34846, 2348072), (39088, 2093249), (39824, 2054563), (40484, 2021068), (45719, 1789648), (46417, 1762736), (47096, 1737322), (53048, 1542394), (53186, 1538392), (60784, 1346093), (61712, 1325851), (63916, 1280132), (69692, 1174036), (70847, 1154896), (72181, 1133552), (80968, 1010534), (91438, 894824), (92834, 881368), (94192, 868661), (106096, 771197), (106372, 769196), (110171, 742672), (111853, 731504), (127832, 640066), (139384, 587018), (141694, 577448), (144362, 566776), (161936, 505267), (182876, 447412), (185668, 440684), (192299, 425488), (212744, 384598), (220342, 371336), (223706, 365752), (255664, 320033), (278768, 293509), (283388, 288724)]