81804301488

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 960

約数和(自身を含む): 315850895360

約数和(自身を除く): 234046593872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 19, 21, 24, 26, 27, 28, 36, 38, 39, 42, 43, 48, 52, 54, 56, 57, 63, 72, 76, 78, 81, 84, 86, 91, 104, 108, 112, 114, 117, 126, 129, 133, 144, 152, 156, 162, 168, 171, 172, 182, 189, 208, 216, 228, 234, 243, 247, 252, 258, 266, 273, 283, 301, 304, 312, 324, 336, 342, 344, 351, 364, 378, 387, 399, 432, 456, 468, 486, 494, 504, 513, 516, 532, 546, 559, 566, 567, 602, 624, 648, 684, 688, 702, 728, 741, 756, 774, 798, 817, 819, 849, 903, 912, 936, 972, 988, 1008, 1026, 1032, 1053, 1064, 1092, 1118, 1132, 1134, 1161, 1197, 1204, 1296, 1368, 1404, 1456, 1482, 1512, 1539, 1548, 1596, 1634, 1638, 1677, 1698, 1701, 1729, 1806, 1872, 1944, 1976, 1981, 2052, 2064, 2106, 2128, 2184, 2223, 2236, 2264, 2268, 2322, 2394, 2408, 2451, 2457, 2547, 2709, 2736, 2808, 2964, 3024, 3078, 3096, 3159, 3192, 3268, 3276, 3354, 3396, 3402, 3458, 3483, 3591, 3612, 3679, 3888, 3913, 3952, 3962, 4104, 4212, 4368, 4446, 4472, 4528, 4536, 4617, 4644, 4788, 4816, 4902, 4914, 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約数ペア:

[(1, 81804301488), (2, 40902150744), (3, 27268100496), (4, 20451075372), (6, 13634050248), (7, 11686328784), (8, 10225537686), (9, 9089366832), (12, 6817025124), (13, 6292638576), (14, 5843164392), (16, 5112768843), (18, 4544683416), (19, 4305489552), (21, 3895442928), (24, 3408512562), (26, 3146319288), (27, 3029788944), (28, 2921582196), (36, 2272341708), (38, 2152744776), (39, 2097546192), (42, 1947721464), (43, 1902425616), (48, 1704256281), (52, 1573159644), (54, 1514894472), (56, 1460791098), (57, 1435163184), (63, 1298480976), (72, 1136170854), (76, 1076372388), (78, 1048773096), (81, 1009929648), (84, 973860732), (86, 951212808), (91, 898948368), (104, 786579822), (108, 757447236), (112, 730395549), (114, 717581592), (117, 699182064), (126, 649240488), (129, 634141872), (133, 615069936), (144, 568085427), (152, 538186194), (156, 524386548), (162, 504964824), (168, 486930366), (171, 478387728), (172, 475606404), (182, 449474184), (189, 432826992), (208, 393289911), (216, 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