81841968

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 240

約数和(自身を含む): 272304000

約数和(自身を除く): 190462032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 36, 38, 39, 48, 52, 54, 57, 59, 72, 76, 78, 104, 108, 114, 117, 118, 144, 152, 156, 169, 171, 177, 208, 216, 228, 234, 236, 247, 304, 312, 338, 342, 351, 354, 432, 456, 468, 472, 494, 507, 513, 531, 624, 676, 684, 702, 708, 741, 767, 912, 936, 944, 988, 1014, 1026, 1062, 1121, 1352, 1368, 1404, 1416, 1482, 1521, 1534, 1593, 1872, 1976, 2028, 2052, 2124, 2223, 2242, 2301, 2704, 2736, 2808, 2832, 2964, 3042, 3068, 3186, 3211, 3363, 3952, 4056, 4104, 4248, 4446, 4484, 4563, 4602, 5616, 5928, 6084, 6136, 6372, 6422, 6669, 6726, 6903, 8112, 8208, 8496, 8892, 8968, 9126, 9204, 9633, 9971, 10089, 11856, 12168, 12272, 12744, 12844, 13338, 13452, 13806, 14573, 17784, 17936, 18252, 18408, 19266, 19942, 20178, 20709, 24336, 25488, 25688, 26676, 26904, 27612, 28899, 29146, 29913, 30267, 35568, 36504, 36816, 38532, 39884, 40356, 41418, 43719, 51376, 53352, 53808, 55224, 57798, 58292, 59826, 60534, 73008, 77064, 79768, 80712, 82836, 86697, 87438, 89739, 106704, 110448, 115596, 116584, 119652, 121068, 131157, 154128, 159536, 161424, 165672, 173394, 174876, 179478, 189449, 231192, 233168, 239304, 242136, 262314, 269217, 331344, 346788, 349752, 358956, 378898, 393471, 462384, 478608, 484272, 524628, 538434, 568347, 693576, 699504, 717912, 757796, 786942, 1049256, 1076868, 1136694, 1387152, 1435824, 1515592, 1573884, 1705041, 2098512, 2153736, 2273388, 3031184, 3147768, 3410082, 4307472, 4546776, 5115123, 6295536, 6820164, 9093552, 10230246, 13640328, 20460492, 27280656, 40920984, 81841968]

約数ペア:

[(1, 81841968), (2, 40920984), (3, 27280656), (4, 20460492), (6, 13640328), (8, 10230246), (9, 9093552), (12, 6820164), (13, 6295536), (16, 5115123), (18, 4546776), (19, 4307472), (24, 3410082), (26, 3147768), (27, 3031184), (36, 2273388), (38, 2153736), (39, 2098512), (48, 1705041), (52, 1573884), (54, 1515592), (57, 1435824), (59, 1387152), (72, 1136694), (76, 1076868), (78, 1049256), (104, 786942), (108, 757796), (114, 717912), (117, 699504), (118, 693576), (144, 568347), (152, 538434), (156, 524628), (169, 484272), (171, 478608), (177, 462384), (208, 393471), (216, 378898), (228, 358956), (234, 349752), (236, 346788), (247, 331344), (304, 269217), (312, 262314), (338, 242136), (342, 239304), (351, 233168), (354, 231192), (432, 189449), (456, 179478), (468, 174876), (472, 173394), (494, 165672), (507, 161424), (513, 159536), (531, 154128), (624, 131157), (676, 121068), (684, 119652), (702, 116584), (708, 115596), (741, 110448), (767, 106704), (912, 89739), (936, 87438), (944, 86697), (988, 82836), (1014, 80712), (1026, 79768), (1062, 77064), (1121, 73008), (1352, 60534), (1368, 59826), (1404, 58292), (1416, 57798), (1482, 55224), (1521, 53808), (1534, 53352), (1593, 51376), (1872, 43719), (1976, 41418), (2028, 40356), (2052, 39884), (2124, 38532), (2223, 36816), (2242, 36504), (2301, 35568), (2704, 30267), (2736, 29913), (2808, 29146), (2832, 28899), (2964, 27612), (3042, 26904), (3068, 26676), (3186, 25688), (3211, 25488), (3363, 24336), (3952, 20709), (4056, 20178), (4104, 19942), (4248, 19266), (4446, 18408), (4484, 18252), (4563, 17936), (4602, 17784), (5616, 14573), (5928, 13806), (6084, 13452), (6136, 13338), (6372, 12844), (6422, 12744), (6669, 12272), (6726, 12168), (6903, 11856), (8112, 10089), (8208, 9971), (8496, 9633), (8892, 9204), (8968, 9126)]