20167776640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:374

約数の個数: 288

約数和(自身を含む): 54961835040

約数和(自身を除く): 34794058400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 128, 155, 160, 176, 220, 242, 248, 271, 310, 320, 341, 352, 440, 484, 496, 542, 605, 620, 640, 682, 704, 880, 961, 968, 992, 1084, 1210, 1240, 1355, 1364, 1408, 1705, 1760, 1922, 1936, 1984, 2168, 2420, 2480, 2710, 2728, 2981, 3410, 3520, 3751, 3844, 3872, 3968, 4336, 4805, 4840, 4960, 5420, 5456, 5962, 6820, 7040, 7502, 7688, 7744, 8401, 8672, 9610, 9680, 9920, 10571, 10840, 10912, 11924, 13640, 14905, 15004, 15376, 15488, 16802, 17344, 18755, 19220, 19360, 19840, 21142, 21680, 21824, 23848, 27280, 29810, 30008, 30752, 32791, 33604, 34688, 37510, 38440, 38720, 42005, 42284, 43360, 43648, 47696, 52855, 54560, 59620, 60016, 61504, 65582, 67208, 75020, 76880, 77440, 84010, 84568, 86720, 92411, 95392, 105710, 109120, 116281, 119240, 120032, 123008, 131164, 134416, 150040, 153760, 163955, 168020, 169136, 173440, 184822, 190784, 211420, 218240, 232562, 238480, 240064, 260431, 262328, 268832, 300080, 307520, 327910, 336040, 338272, 369644, 381568, 422840, 462055, 465124, 476960, 480128, 520862, 524656, 537664, 581405, 600160, 615040, 655820, 672080, 676544, 739288, 845680, 924110, 930248, 953920, 1016521, 1041724, 1049312, 1075328, 1162810, 1200320, 1302155, 1311640, 1344160, 1353088, 1478576, 1691360, 1848220, 1860496, 1907840, 2033042, 2083448, 2098624, 2325620, 2400640, 2604310, 2623280, 2688320, 2864741, 2957152, 3382720, 3696440, 3720992, 4066084, 4166896, 4197248, 4651240, 5082605, 5208620, 5246560, 5376640, 5729482, 5914304, 6765440, 7392880, 7441984, 8132168, 8333792, 9302480, 10165210, 10417240, 10493120, 11458964, 11828608, 14323705, 14785760, 14883968, 16264336, 16667584, 18604960, 20330420, 20834480, 20986240, 22917928, 28647410, 29571520, 31512151, 32528672, 33335168, 37209920, 40660840, 41668960, 45835856, 57294820, 59143040, 63024302, 65057344, 74419840, 81321680, 83337920, 91671712, 114589640, 126048604, 130114688, 157560755, 162643360, 166675840, 183343424, 229179280, 252097208, 315121510, 325286720, 366686848, 458358560, 504194416, 630243020, 650573440, 916717120, 1008388832, 1260486040, 1833434240, 2016777664, 2520972080, 4033555328, 5041944160, 10083888320, 20167776640]

約数ペア:

[(1, 20167776640), (2, 10083888320), (4, 5041944160), (5, 4033555328), (8, 2520972080), (10, 2016777664), (11, 1833434240), (16, 1260486040), (20, 1008388832), (22, 916717120), (31, 650573440), (32, 630243020), (40, 504194416), (44, 458358560), (55, 366686848), (62, 325286720), (64, 315121510), (80, 252097208), (88, 229179280), (110, 183343424), (121, 166675840), (124, 162643360), (128, 157560755), (155, 130114688), (160, 126048604), (176, 114589640), (220, 91671712), (242, 83337920), (248, 81321680), (271, 74419840), (310, 65057344), (320, 63024302), (341, 59143040), (352, 57294820), (440, 45835856), (484, 41668960), (496, 40660840), (542, 37209920), (605, 33335168), (620, 32528672), (640, 31512151), (682, 29571520), (704, 28647410), (880, 22917928), (961, 20986240), (968, 20834480), (992, 20330420), (1084, 18604960), (1210, 16667584), (1240, 16264336), (1355, 14883968), (1364, 14785760), (1408, 14323705), (1705, 11828608), (1760, 11458964), (1922, 10493120), (1936, 10417240), (1984, 10165210), (2168, 9302480), (2420, 8333792), (2480, 8132168), (2710, 7441984), (2728, 7392880), (2981, 6765440), (3410, 5914304), (3520, 5729482), (3751, 5376640), (3844, 5246560), (3872, 5208620), (3968, 5082605), (4336, 4651240), (4805, 4197248), (4840, 4166896), (4960, 4066084), (5420, 3720992), (5456, 3696440), (5962, 3382720), (6820, 2957152), (7040, 2864741), (7502, 2688320), (7688, 2623280), (7744, 2604310), (8401, 2400640), (8672, 2325620), (9610, 2098624), (9680, 2083448), (9920, 2033042), (10571, 1907840), (10840, 1860496), (10912, 1848220), (11924, 1691360), (13640, 1478576), (14905, 1353088), (15004, 1344160), (15376, 1311640), (15488, 1302155), (16802, 1200320), (17344, 1162810), (18755, 1075328), (19220, 1049312), (19360, 1041724), (19840, 1016521), (21142, 953920), (21680, 930248), (21824, 924110), (23848, 845680), (27280, 739288), (29810, 676544), (30008, 672080), (30752, 655820), (32791, 615040), (33604, 600160), (34688, 581405), (37510, 537664), (38440, 524656), (38720, 520862), (42005, 480128), (42284, 476960), (43360, 465124), (43648, 462055), (47696, 422840), (52855, 381568), (54560, 369644), (59620, 338272), (60016, 336040), (61504, 327910), (65582, 307520), (67208, 300080), (75020, 268832), (76880, 262328), (77440, 260431), (84010, 240064), (84568, 238480), (86720, 232562), (92411, 218240), (95392, 211420), (105710, 190784), (109120, 184822), (116281, 173440), (119240, 169136), (120032, 168020), (123008, 163955), (131164, 153760), (134416, 150040)]