About the Number

1216841280

1216841279 ← → 1216841281

2進数表記:1001000100001111000011001000000

漢数字表記:十二億千六百八十四万千二百八十

素因数分解:

2 6 × 3 1 × 5 1 × 47 1 × 149 1 × 181 1

素因数の和:397
約数の個数: 224
約数和(自身を含む): 3994099200
約数和(自身を除く): 2777257920

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 141, 149, 160, 181, 188, 192, 235, 240, 282, 298, 320, 362, 376, 447, 470, 480, 543, 564, 596, 705, 724, 745, 752, 894, 905, 940, 960, 1086, 1128, 1192, 1410, 1448, 1490, 1504, 1788, 1810, 1880, 2172, 2235, 2256, 2384, 2715, 2820, 2896, 2980, 3008, 3576, 3620, 3760, 4344, 4470, 4512, 4768, 5430, 5640, 5792, 5960, 7003, 7152, 7240, 7520, 8507, 8688, 8940, 9024, 9536, 10860, 11280, 11584, 11920, 14006, 14304, 14480, 15040, 17014, 17376, 17880, 21009, 21720, 22560, 23840, 25521, 26969, 28012, 28608, 28960, 34028, 34752, 35015, 35760, 42018, 42535, 43440, 45120, 47680, 51042, 53938, 56024, 57920, 68056, 70030, 71520, 80907, 84036, 85070, 86880, 102084, 105045, 107876, 112048, 127605, 134845, 136112, 140060, 143040, 161814, 168072, 170140, 173760, 204168, 210090, 215752, 224096, 255210, 269690, 272224, 280120, 323628, 336144, 340280, 404535, 408336, 420180, 431504, 448192, 510420, 539380, 544448, 560240, 647256, 672288, 680560, 809070, 816672, 840360, 863008, 1020840, 1078760, 1120480, 1267543, 1294512, 1344576, 1361120, 1618140, 1633344, 1680720, 1726016, 2041680, 2157520, 2240960, 2535086, 2589024, 2722240, 3236280, 3361440, 3802629, 4083360, 4315040, 5070172, 5178048, 6337715, 6472560, 6722880, 7605258, 8166720, 8630080, 10140344, 12675430, 12945120, 15210516, 19013145, 20280688, 25350860, 25890240, 30421032, 38026290, 40561376, 50701720, 60842064, 76052580, 81122752, 101403440, 121684128, 152105160, 202806880, 243368256, 304210320, 405613760, 608420640, 1216841280]

約数ペア:
[(1, 1216841280), (2, 608420640), (3, 405613760), (4, 304210320), (5, 243368256), (6, 202806880), (8, 152105160), (10, 121684128), (12, 101403440), (15, 81122752), (16, 76052580), (20, 60842064), (24, 50701720), (30, 40561376), (32, 38026290), (40, 30421032), (47, 25890240), (48, 25350860), (60, 20280688), (64, 19013145), (80, 15210516), (94, 12945120), (96, 12675430), (120, 10140344), (141, 8630080), (149, 8166720), (160, 7605258), (181, 6722880), (188, 6472560), (192, 6337715), (235, 5178048), (240, 5070172), (282, 4315040), (298, 4083360), (320, 3802629), (362, 3361440), (376, 3236280), (447, 2722240), (470, 2589024), (480, 2535086), (543, 2240960), (564, 2157520), (596, 2041680), (705, 1726016), (724, 1680720), (745, 1633344), (752, 1618140), (894, 1361120), (905, 1344576), (940, 1294512), (960, 1267543), (1086, 1120480), (1128, 1078760), (1192, 1020840), (1410, 863008), (1448, 840360), (1490, 816672), (1504, 809070), (1788, 680560), (1810, 672288), (1880, 647256), (2172, 560240), (2235, 544448), (2256, 539380), (2384, 510420), (2715, 448192), (2820, 431504), (2896, 420180), (2980, 408336), (3008, 404535), (3576, 340280), (3620, 336144), (3760, 323628), (4344, 280120), (4470, 272224), (4512, 269690), (4768, 255210), (5430, 224096), (5640, 215752), (5792, 210090), (5960, 204168), (7003, 173760), (7152, 170140), (7240, 168072), (7520, 161814), (8507, 143040), (8688, 140060), (8940, 136112), (9024, 134845), (9536, 127605), (10860, 112048), (11280, 107876), (11584, 105045), (11920, 102084), (14006, 86880), (14304, 85070), (14480, 84036), (15040, 80907), (17014, 71520), (17376, 70030), (17880, 68056), (21009, 57920), (21720, 56024), (22560, 53938), (23840, 51042), (25521, 47680), (26969, 45120), (28012, 43440), (28608, 42535), (28960, 42018), (34028, 35760), (34752, 35015)]

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