1820193984

素因数分解:

$2^6\times 3^3\times 7^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 448

約数和(自身を含む): 6486144000

約数和(自身を除く): 4665950016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 37, 42, 48, 49, 54, 56, 63, 64, 72, 74, 83, 84, 96, 98, 108, 111, 112, 126, 144, 147, 148, 166, 168, 189, 192, 196, 216, 222, 224, 249, 252, 259, 288, 294, 296, 332, 333, 336, 343, 378, 392, 432, 441, 444, 448, 498, 504, 518, 576, 581, 588, 592, 664, 666, 672, 686, 747, 756, 777, 784, 864, 882, 888, 996, 999, 1008, 1029, 1036, 1162, 1176, 1184, 1323, 1328, 1332, 1344, 1372, 1494, 1512, 1554, 1568, 1728, 1743, 1764, 1776, 1813, 1992, 1998, 2016, 2058, 2072, 2241, 2324, 2331, 2352, 2368, 2646, 2656, 2664, 2744, 2988, 3024, 3071, 3087, 3108, 3136, 3486, 3528, 3552, 3626, 3984, 3996, 4032, 4067, 4116, 4144, 4482, 4648, 4662, 4704, 5229, 5292, 5312, 5328, 5439, 5488, 5976, 6048, 6142, 6174, 6216, 6972, 6993, 7056, 7104, 7252, 7968, 7992, 8134, 8232, 8288, 8964, 9213, 9261, 9296, 9324, 9408, 10458, 10584, 10656, 10878, 10976, 11952, 12096, 12201, 12284, 12348, 12432, 12691, 13944, 13986, 14112, 14504, 15687, 15936, 15984, 16268, 16317, 16464, 16576, 17928, 18426, 18522, 18592, 18648, 20916, 21168, 21312, 21497, 21756, 21952, 23904, 24402, 24568, 24696, 24864, 25382, 27639, 27888, 27972, 28224, 28469, 29008, 31374, 31968, 32536, 32634, 32928, 35856, 36603, 36852, 37044, 37184, 37296, 38073, 41832, 42336, 42994, 43512, 47808, 48804, 48951, 49136, 49392, 49728, 50764, 55278, 55776, 55944, 56938, 58016, 62748, 63936, 64491, 65072, 65268, 65856, 71712, 73206, 73704, 74088, 74592, 76146, 82917, 83664, 84672, 85407, 85988, 87024, 97608, 97902, 98272, 98784, 101528, 109809, 110556, 111552, 111888, 113876, 114219, 116032, 125496, 128982, 130144, 130536, 143424, 146412, 147408, 148176, 149184, 150479, 152292, 165834, 167328, 170814, 171976, 174048, 193473, 195216, 195804, 196544, 197568, 203056, 219618, 221112, 223776, 227752, 228438, 250992, 256221, 257964, 260288, 261072, 292824, 294816, 296352, 300958, 304584, 331668, 334656, 341628, 342657, 343952, 348096, 386946, 390432, 391608, 406112, 439236, 442224, 447552, 451437, 455504, 456876, 501984, 512442, 515928, 522144, 580419, 585648, 589632, 592704, 601916, 609168, 663336, 683256, 685314, 687904, 768663, 773892, 780864, 783216, 812224, 878472, 884448, 902874, 911008, 913752, 1003968, 1024884, 1031856, 1044288, 1053353, 1160838, 1171296, 1203832, 1218336, 1326672, 1354311, 1366512, 1370628, 1375808, 1537326, 1547784, 1566432, 1756944, 1768896, 1805748, 1822016, 1827504, 2049768, 2063712, 2106706, 2321676, 2342592, 2407664, 2436672, 2653344, 2708622, 2733024, 2741256, 3074652, 3095568, 3132864, 3160059, 3513888, 3611496, 3655008, 4062933, 4099536, 4127424, 4213412, 4643352, 4815328, 5306688, 5417244, 5466048, 5482512, 6149304, 6191136, 6320118, 7027776, 7222992, 7310016, 8125866, 8199072, 8426824, 9286704, 9480177, 9630656, 10834488, 10965024, 12298608, 12382272, 12640236, 14445984, 16251732, 16398144, 16853648, 18573408, 18960354, 21668976, 21930048, 24597216, 25280472, 28440531, 28891968, 32503464, 33707296, 37146816, 37920708, 43337952, 49194432, 50560944, 56881062, 65006928, 67414592, 75841416, 86675904, 101121888, 113762124, 130013856, 151682832, 202243776, 227524248, 260027712, 303365664, 455048496, 606731328, 910096992, 1820193984]

約数ペア:

[(1, 1820193984), (2, 910096992), (3, 606731328), (4, 455048496), (6, 303365664), (7, 260027712), (8, 227524248), (9, 202243776), (12, 151682832), (14, 130013856), (16, 113762124), (18, 101121888), (21, 86675904), (24, 75841416), (27, 67414592), (28, 65006928), (32, 56881062), (36, 50560944), (37, 49194432), (42, 43337952), (48, 37920708), (49, 37146816), (54, 33707296), (56, 32503464), (63, 28891968), (64, 28440531), (72, 25280472), (74, 24597216), (83, 21930048), (84, 21668976), (96, 18960354), (98, 18573408), (108, 16853648), (111, 16398144), (112, 16251732), (126, 14445984), (144, 12640236), (147, 12382272), (148, 12298608), (166, 10965024), (168, 10834488), (189, 9630656), (192, 9480177), (196, 9286704), (216, 8426824), (222, 8199072), (224, 8125866), (249, 7310016), (252, 7222992), (259, 7027776), (288, 6320118), (294, 6191136), (296, 6149304), (332, 5482512), (333, 5466048), (336, 5417244), (343, 5306688), (378, 4815328), (392, 4643352), (432, 4213412), (441, 4127424), (444, 4099536), (448, 4062933), (498, 3655008), (504, 3611496), (518, 3513888), (576, 3160059), (581, 3132864), (588, 3095568), (592, 3074652), (664, 2741256), (666, 2733024), (672, 2708622), (686, 2653344), (747, 2436672), (756, 2407664), (777, 2342592), (784, 2321676), (864, 2106706), (882, 2063712), (888, 2049768), (996, 1827504), (999, 1822016), (1008, 1805748), (1029, 1768896), (1036, 1756944), (1162, 1566432), (1176, 1547784), (1184, 1537326), (1323, 1375808), (1328, 1370628), (1332, 1366512), (1344, 1354311), (1372, 1326672), (1494, 1218336), (1512, 1203832), (1554, 1171296), (1568, 1160838), (1728, 1053353), (1743, 1044288), (1764, 1031856), (1776, 1024884), (1813, 1003968), (1992, 913752), (1998, 911008), (2016, 902874), (2058, 884448), (2072, 878472), (2241, 812224), (2324, 783216), (2331, 780864), (2352, 773892), (2368, 768663), (2646, 687904), (2656, 685314), (2664, 683256), (2744, 663336), (2988, 609168), (3024, 601916), (3071, 592704), (3087, 589632), (3108, 585648), (3136, 580419), (3486, 522144), (3528, 515928), (3552, 512442), (3626, 501984), (3984, 456876), (3996, 455504), (4032, 451437), (4067, 447552), (4116, 442224), (4144, 439236), (4482, 406112), (4648, 391608), (4662, 390432), (4704, 386946), (5229, 348096), (5292, 343952), (5312, 342657), (5328, 341628), (5439, 334656), (5488, 331668), (5976, 304584), (6048, 300958), (6142, 296352), (6174, 294816), (6216, 292824), (6972, 261072), (6993, 260288), (7056, 257964), (7104, 256221), (7252, 250992), (7968, 228438), (7992, 227752), (8134, 223776), (8232, 221112), (8288, 219618), (8964, 203056), (9213, 197568), (9261, 196544), (9296, 195804), (9324, 195216), (9408, 193473), (10458, 174048), (10584, 171976), (10656, 170814), (10878, 167328), (10976, 165834), (11952, 152292), (12096, 150479), (12201, 149184), (12284, 148176), (12348, 147408), (12432, 146412), (12691, 143424), (13944, 130536), (13986, 130144), (14112, 128982), (14504, 125496), (15687, 116032), (15936, 114219), (15984, 113876), (16268, 111888), (16317, 111552), (16464, 110556), (16576, 109809), (17928, 101528), (18426, 98784), (18522, 98272), (18592, 97902), (18648, 97608), (20916, 87024), (21168, 85988), (21312, 85407), (21497, 84672), (21756, 83664), (21952, 82917), (23904, 76146), (24402, 74592), (24568, 74088), (24696, 73704), (24864, 73206), (25382, 71712), (27639, 65856), (27888, 65268), (27972, 65072), (28224, 64491), (28469, 63936), (29008, 62748), (31374, 58016), (31968, 56938), (32536, 55944), (32634, 55776), (32928, 55278), (35856, 50764), (36603, 49728), (36852, 49392), (37044, 49136), (37184, 48951), (37296, 48804), (38073, 47808), (41832, 43512), (42336, 42994)]