644221872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 2144862720

約数和(自身を除く): 1500640848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 56, 63, 72, 84, 86, 89, 112, 126, 129, 144, 167, 168, 172, 178, 252, 258, 267, 301, 334, 336, 344, 356, 387, 501, 504, 516, 534, 602, 623, 668, 688, 712, 774, 801, 903, 1002, 1008, 1032, 1068, 1169, 1204, 1246, 1336, 1424, 1503, 1548, 1602, 1806, 1869, 2004, 2064, 2136, 2338, 2408, 2492, 2672, 2709, 3006, 3096, 3204, 3507, 3612, 3738, 3827, 4008, 4272, 4676, 4816, 4984, 5418, 5607, 6012, 6192, 6408, 7014, 7181, 7224, 7476, 7654, 8016, 9352, 9968, 10521, 10836, 11214, 11481, 12024, 12816, 14028, 14362, 14448, 14863, 14952, 15308, 18704, 21042, 21543, 21672, 22428, 22962, 24048, 26789, 28056, 28724, 29726, 29904, 30616, 34443, 42084, 43086, 43344, 44589, 44856, 45924, 50267, 53578, 56112, 57448, 59452, 61232, 64629, 68886, 80367, 84168, 86172, 89178, 89712, 91848, 100534, 104041, 107156, 114896, 118904, 129258, 133767, 137772, 150801, 160734, 168336, 172344, 178356, 183696, 201068, 208082, 214312, 237808, 241101, 258516, 267534, 275544, 301602, 312123, 321468, 344688, 356712, 402136, 416164, 428624, 452403, 482202, 517032, 535068, 551088, 603204, 624246, 639109, 642936, 713424, 804272, 832328, 904806, 936369, 964404, 1034064, 1070136, 1206408, 1248492, 1278218, 1285872, 1664656, 1809612, 1872738, 1917327, 1928808, 2140272, 2412816, 2496984, 2556436, 3619224, 3745476, 3834654, 3857616, 4473763, 4993968, 5112872, 5751981, 7238448, 7490952, 7669308, 8947526, 10225744, 11503962, 13421289, 14981904, 15338616, 17895052, 23007924, 26842578, 30677232, 35790104, 40263867, 46015848, 53685156, 71580208, 80527734, 92031696, 107370312, 161055468, 214740624, 322110936, 644221872]

約数ペア:

[(1, 644221872), (2, 322110936), (3, 214740624), (4, 161055468), (6, 107370312), (7, 92031696), (8, 80527734), (9, 71580208), (12, 53685156), (14, 46015848), (16, 40263867), (18, 35790104), (21, 30677232), (24, 26842578), (28, 23007924), (36, 17895052), (42, 15338616), (43, 14981904), (48, 13421289), (56, 11503962), (63, 10225744), (72, 8947526), (84, 7669308), (86, 7490952), (89, 7238448), (112, 5751981), (126, 5112872), (129, 4993968), (144, 4473763), (167, 3857616), (168, 3834654), (172, 3745476), (178, 3619224), (252, 2556436), (258, 2496984), (267, 2412816), (301, 2140272), (334, 1928808), (336, 1917327), (344, 1872738), (356, 1809612), (387, 1664656), (501, 1285872), (504, 1278218), (516, 1248492), (534, 1206408), (602, 1070136), (623, 1034064), (668, 964404), (688, 936369), (712, 904806), (774, 832328), (801, 804272), (903, 713424), (1002, 642936), (1008, 639109), (1032, 624246), (1068, 603204), (1169, 551088), (1204, 535068), (1246, 517032), (1336, 482202), (1424, 452403), (1503, 428624), (1548, 416164), (1602, 402136), (1806, 356712), (1869, 344688), (2004, 321468), (2064, 312123), (2136, 301602), (2338, 275544), (2408, 267534), (2492, 258516), (2672, 241101), (2709, 237808), (3006, 214312), (3096, 208082), (3204, 201068), (3507, 183696), (3612, 178356), (3738, 172344), (3827, 168336), (4008, 160734), (4272, 150801), (4676, 137772), (4816, 133767), (4984, 129258), (5418, 118904), (5607, 114896), (6012, 107156), (6192, 104041), (6408, 100534), (7014, 91848), (7181, 89712), (7224, 89178), (7476, 86172), (7654, 84168), (8016, 80367), (9352, 68886), (9968, 64629), (10521, 61232), (10836, 59452), (11214, 57448), (11481, 56112), (12024, 53578), (12816, 50267), (14028, 45924), (14362, 44856), (14448, 44589), (14863, 43344), (14952, 43086), (15308, 42084), (18704, 34443), (21042, 30616), (21543, 29904), (21672, 29726), (22428, 28724), (22962, 28056), (24048, 26789)]