About the Number

642749040

642749039 ← → 642749041

2進数表記:100110010011111001001001110000

漢数字表記:六億四千二百七十四万九千四十

素因数分解:

2 4 × 3 3 × 5 1 × 29 1 × 31 1 × 331 1

素因数の和:413
約数の個数: 320
約数和(自身を含む): 2371276800
約数和(自身を除く): 1728527760

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 31, 36, 40, 45, 48, 54, 58, 60, 62, 72, 80, 87, 90, 93, 108, 116, 120, 124, 135, 144, 145, 155, 174, 180, 186, 216, 232, 240, 248, 261, 270, 279, 290, 310, 331, 348, 360, 372, 432, 435, 464, 465, 496, 522, 540, 558, 580, 620, 662, 696, 720, 744, 783, 837, 870, 899, 930, 993, 1044, 1080, 1116, 1160, 1240, 1305, 1324, 1392, 1395, 1488, 1566, 1655, 1674, 1740, 1798, 1860, 1986, 2088, 2160, 2232, 2320, 2480, 2610, 2648, 2697, 2790, 2979, 3132, 3310, 3348, 3480, 3596, 3720, 3915, 3972, 4176, 4185, 4464, 4495, 4965, 5220, 5296, 5394, 5580, 5958, 6264, 6620, 6696, 6960, 7192, 7440, 7830, 7944, 8091, 8370, 8937, 8990, 9599, 9930, 10261, 10440, 10788, 11160, 11916, 12528, 13240, 13392, 13485, 14384, 14895, 15660, 15888, 16182, 16740, 17874, 17980, 19198, 19860, 20522, 20880, 21576, 22320, 23832, 24273, 26480, 26970, 28797, 29790, 30783, 31320, 32364, 33480, 35748, 35960, 38396, 39720, 40455, 41044, 43152, 44685, 47664, 47995, 48546, 51305, 53940, 57594, 59580, 61566, 62640, 64728, 66960, 71496, 71920, 76792, 79440, 80910, 82088, 86391, 89370, 92349, 95990, 97092, 102610, 107880, 115188, 119160, 121365, 123132, 129456, 142992, 143985, 153584, 153915, 161820, 164176, 172782, 178740, 184698, 191980, 194184, 205220, 215760, 230376, 238320, 242730, 246264, 259173, 277047, 287970, 297569, 307830, 323640, 345564, 357480, 369396, 383960, 388368, 410440, 431955, 460752, 461745, 485460, 492528, 518346, 554094, 575940, 595138, 615660, 647280, 691128, 714960, 738792, 767920, 820880, 863910, 892707, 923490, 970920, 1036692, 1108188, 1151880, 1190276, 1231320, 1295865, 1382256, 1385235, 1477584, 1487845, 1727820, 1785414, 1846980, 1941840, 2073384, 2216376, 2303760, 2380552, 2462640, 2591730, 2678121, 2770470, 2975690, 3455640, 3570828, 3693960, 4146768, 4432752, 4463535, 4761104, 5183460, 5356242, 5540940, 5951380, 6911280, 7141656, 7387920, 8034363, 8927070, 10366920, 10712484, 11081880, 11902760, 13390605, 14283312, 16068726, 17854140, 20733840, 21424968, 22163760, 23805520, 26781210, 32137452, 35708280, 40171815, 42849936, 53562420, 64274904, 71416560, 80343630, 107124840, 128549808, 160687260, 214249680, 321374520, 642749040]

約数ペア:
[(1, 642749040), (2, 321374520), (3, 214249680), (4, 160687260), (5, 128549808), (6, 107124840), (8, 80343630), (9, 71416560), (10, 64274904), (12, 53562420), (15, 42849936), (16, 40171815), (18, 35708280), (20, 32137452), (24, 26781210), (27, 23805520), (29, 22163760), (30, 21424968), (31, 20733840), (36, 17854140), (40, 16068726), (45, 14283312), (48, 13390605), (54, 11902760), (58, 11081880), (60, 10712484), (62, 10366920), (72, 8927070), (80, 8034363), (87, 7387920), (90, 7141656), (93, 6911280), (108, 5951380), (116, 5540940), (120, 5356242), (124, 5183460), (135, 4761104), (144, 4463535), (145, 4432752), (155, 4146768), (174, 3693960), (180, 3570828), (186, 3455640), (216, 2975690), (232, 2770470), (240, 2678121), (248, 2591730), (261, 2462640), (270, 2380552), (279, 2303760), (290, 2216376), (310, 2073384), (331, 1941840), (348, 1846980), (360, 1785414), (372, 1727820), (432, 1487845), (435, 1477584), (464, 1385235), (465, 1382256), (496, 1295865), (522, 1231320), (540, 1190276), (558, 1151880), (580, 1108188), (620, 1036692), (662, 970920), (696, 923490), (720, 892707), (744, 863910), (783, 820880), (837, 767920), (870, 738792), (899, 714960), (930, 691128), (993, 647280), (1044, 615660), (1080, 595138), (1116, 575940), (1160, 554094), (1240, 518346), (1305, 492528), (1324, 485460), (1392, 461745), (1395, 460752), (1488, 431955), (1566, 410440), (1655, 388368), (1674, 383960), (1740, 369396), (1798, 357480), (1860, 345564), (1986, 323640), (2088, 307830), (2160, 297569), (2232, 287970), (2320, 277047), (2480, 259173), (2610, 246264), (2648, 242730), (2697, 238320), (2790, 230376), (2979, 215760), (3132, 205220), (3310, 194184), (3348, 191980), (3480, 184698), (3596, 178740), (3720, 172782), (3915, 164176), (3972, 161820), (4176, 153915), (4185, 153584), (4464, 143985), (4495, 142992), (4965, 129456), (5220, 123132), (5296, 121365), (5394, 119160), (5580, 115188), (5958, 107880), (6264, 102610), (6620, 97092), (6696, 95990), (6960, 92349), (7192, 89370), (7440, 86391), (7830, 82088), (7944, 80910), (8091, 79440), (8370, 76792), (8937, 71920), (8990, 71496), (9599, 66960), (9930, 64728), (10261, 62640), (10440, 61566), (10788, 59580), (11160, 57594), (11916, 53940), (12528, 51305), (13240, 48546), (13392, 47995), (13485, 47664), (14384, 44685), (14895, 43152), (15660, 41044), (15888, 40455), (16182, 39720), (16740, 38396), (17874, 35960), (17980, 35748), (19198, 33480), (19860, 32364), (20522, 31320), (20880, 30783), (21576, 29790), (22320, 28797), (23832, 26970), (24273, 26480)]

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