198984327840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 960

約数和(自身を含む): 766642060800

約数和(自身を除く): 567657732960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 53, 54, 57, 60, 72, 76, 79, 80, 81, 90, 95, 96, 106, 108, 114, 120, 135, 144, 152, 158, 159, 160, 162, 171, 180, 190, 193, 212, 216, 228, 237, 240, 265, 270, 285, 288, 304, 316, 318, 324, 342, 360, 380, 386, 395, 405, 424, 432, 456, 474, 477, 480, 513, 530, 540, 570, 579, 608, 632, 636, 648, 684, 711, 720, 760, 772, 790, 795, 810, 848, 855, 864, 912, 948, 954, 965, 1007, 1026, 1060, 1080, 1140, 1158, 1185, 1264, 1272, 1296, 1368, 1422, 1431, 1440, 1501, 1520, 1539, 1544, 1580, 1590, 1620, 1696, 1710, 1737, 1824, 1896, 1908, 1930, 2014, 2052, 2120, 2133, 2160, 2280, 2316, 2370, 2385, 2528, 2544, 2565, 2592, 2736, 2844, 2862, 2895, 3002, 3021, 3040, 3078, 3088, 3160, 3180, 3240, 3420, 3474, 3555, 3667, 3792, 3816, 3860, 4028, 4104, 4187, 4240, 4266, 4293, 4320, 4503, 4560, 4632, 4740, 4770, 5035, 5088, 5130, 5211, 5472, 5688, 5724, 5790, 6004, 6042, 6156, 6176, 6320, 6360, 6399, 6480, 6840, 6948, 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約数ペア:

[(1, 198984327840), (2, 99492163920), (3, 66328109280), (4, 49746081960), (5, 39796865568), (6, 33164054640), (8, 24873040980), (9, 22109369760), (10, 19898432784), (12, 16582027320), (15, 13265621856), (16, 12436520490), (18, 11054684880), (19, 10472859360), (20, 9949216392), (24, 8291013660), (27, 7369789920), (30, 6632810928), (32, 6218260245), (36, 5527342440), (38, 5236429680), (40, 4974608196), (45, 4421873952), (48, 4145506830), (53, 3754421280), (54, 3684894960), (57, 3490953120), (60, 3316405464), (72, 2763671220), (76, 2618214840), (79, 2518788960), (80, 2487304098), (81, 2456596640), (90, 2210936976), (95, 2094571872), (96, 2072753415), (106, 1877210640), (108, 1842447480), (114, 1745476560), (120, 1658202732), (135, 1473957984), (144, 1381835610), (152, 1309107420), (158, 1259394480), (159, 1251473760), (160, 1243652049), (162, 1228298320), (171, 1163651040), (180, 1105468488), (190, 1047285936), (193, 1031006880), (212, 938605320), (216, 921223740), (228, 872738280), (237, 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