About the Number

20438720640

20438720639 ← → 20438720641

2進数表記:10011000010001111100010000010000000

漢数字表記:二百四億三千八百七十二万六百四十

素因数分解:

2 7 × 3 2 × 5 1 × 13 1 × 499 1 × 547 1

素因数の和:1084
約数の個数: 384
約数和(自身を含む): 76298040000
約数和(自身を除く): 55859319360

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 499, 520, 547, 576, 585, 624, 640, 720, 780, 832, 936, 960, 998, 1040, 1094, 1152, 1170, 1248, 1440, 1497, 1560, 1641, 1664, 1872, 1920, 1996, 2080, 2188, 2340, 2495, 2496, 2735, 2880, 2994, 3120, 3282, 3744, 3992, 4160, 4376, 4491, 4680, 4923, 4990, 4992, 5470, 5760, 5988, 6240, 6487, 6564, 7111, 7485, 7488, 7984, 8205, 8320, 8752, 8982, 9360, 9846, 9980, 10940, 11976, 12480, 12974, 13128, 14222, 14970, 14976, 15968, 16410, 17504, 17964, 18720, 19461, 19692, 19960, 21333, 21880, 22455, 23952, 24615, 24960, 25948, 26256, 28444, 29940, 31936, 32435, 32820, 35008, 35555, 35928, 37440, 38922, 39384, 39920, 42666, 43760, 44910, 47904, 49230, 51896, 52512, 56888, 58383, 59880, 63872, 63999, 64870, 65640, 70016, 71110, 71856, 74880, 77844, 78768, 79840, 85332, 87520, 89820, 95808, 97305, 98460, 103792, 105024, 106665, 113776, 116766, 119760, 127998, 129740, 131280, 142220, 143712, 155688, 157536, 159680, 170664, 175040, 179640, 191616, 194610, 196920, 207584, 210048, 213330, 227552, 233532, 239520, 255996, 259480, 262560, 272953, 284440, 287424, 291915, 311376, 315072, 319360, 319995, 341328, 350080, 359280, 389220, 393840, 415168, 426660, 455104, 467064, 479040, 511992, 518960, 525120, 545906, 568880, 574848, 583830, 622752, 630144, 639990, 682656, 718560, 778440, 787680, 818859, 830336, 853320, 910208, 934128, 958080, 1023984, 1037920, 1050240, 1091812, 1137760, 1167660, 1245504, 1279980, 1364765, 1365312, 1437120, 1556880, 1575360, 1637718, 1706640, 1868256, 2047968, 2075840, 2183624, 2275520, 2335320, 2456577, 2491008, 2559960, 2729530, 2730624, 2874240, 3113760, 3150720, 3275436, 3413280, 3548389, 3736512, 4094295, 4095936, 4151680, 4367248, 4551040, 4670640, 4913154, 5119920, 5459060, 6227520, 6550872, 6826560, 7096778, 7473024, 8188590, 8191872, 8734496, 9341280, 9826308, 10239840, 10645167, 10918120, 12282885, 12455040, 13101744, 13653120, 14193556, 16377180, 17468992, 17741945, 18682560, 19652616, 20479680, 21290334, 21836240, 24565770, 26203488, 28387112, 31935501, 32754360, 34937984, 35483890, 37365120, 39305232, 40959360, 42580668, 43672480, 49131540, 52406976, 53225835, 56774224, 63871002, 65508720, 70967780, 78610464, 85161336, 87344960, 98263080, 104813952, 106451670, 113548448, 127742004, 131017440, 141935560, 157220928, 159677505, 170322672, 174689920, 196526160, 212903340, 227096896, 255484008, 262034880, 283871120, 314441856, 319355010, 340645344, 393052320, 425806680, 454193792, 510968016, 524069760, 567742240, 638710020, 681290688, 786104640, 851613360, 1021936032, 1135484480, 1277420040, 1362581376, 1572209280, 1703226720, 2043872064, 2270968960, 2554840080, 3406453440, 4087744128, 5109680160, 6812906880, 10219360320, 20438720640]

約数ペア:
[(1, 20438720640), (2, 10219360320), (3, 6812906880), (4, 5109680160), (5, 4087744128), (6, 3406453440), (8, 2554840080), (9, 2270968960), (10, 2043872064), (12, 1703226720), (13, 1572209280), (15, 1362581376), (16, 1277420040), (18, 1135484480), (20, 1021936032), (24, 851613360), (26, 786104640), (30, 681290688), (32, 638710020), (36, 567742240), (39, 524069760), (40, 510968016), (45, 454193792), (48, 425806680), (52, 393052320), (60, 340645344), (64, 319355010), (65, 314441856), (72, 283871120), (78, 262034880), (80, 255484008), (90, 227096896), (96, 212903340), (104, 196526160), (117, 174689920), (120, 170322672), (128, 159677505), (130, 157220928), (144, 141935560), (156, 131017440), (160, 127742004), (180, 113548448), (192, 106451670), (195, 104813952), (208, 98263080), (234, 87344960), (240, 85161336), (260, 78610464), (288, 70967780), (312, 65508720), (320, 63871002), (360, 56774224), (384, 53225835), (390, 52406976), (416, 49131540), (468, 43672480), (480, 42580668), (499, 40959360), (520, 39305232), (547, 37365120), (576, 35483890), (585, 34937984), (624, 32754360), (640, 31935501), (720, 28387112), (780, 26203488), (832, 24565770), (936, 21836240), (960, 21290334), (998, 20479680), (1040, 19652616), (1094, 18682560), (1152, 17741945), (1170, 17468992), (1248, 16377180), (1440, 14193556), (1497, 13653120), (1560, 13101744), (1641, 12455040), (1664, 12282885), (1872, 10918120), (1920, 10645167), (1996, 10239840), (2080, 9826308), (2188, 9341280), (2340, 8734496), (2495, 8191872), (2496, 8188590), (2735, 7473024), (2880, 7096778), (2994, 6826560), (3120, 6550872), (3282, 6227520), (3744, 5459060), (3992, 5119920), (4160, 4913154), (4376, 4670640), (4491, 4551040), (4680, 4367248), (4923, 4151680), (4990, 4095936), (4992, 4094295), (5470, 3736512), (5760, 3548389), (5988, 3413280), (6240, 3275436), (6487, 3150720), (6564, 3113760), (7111, 2874240), (7485, 2730624), (7488, 2729530), (7984, 2559960), (8205, 2491008), (8320, 2456577), (8752, 2335320), (8982, 2275520), (9360, 2183624), (9846, 2075840), (9980, 2047968), (10940, 1868256), (11976, 1706640), (12480, 1637718), (12974, 1575360), (13128, 1556880), (14222, 1437120), (14970, 1365312), (14976, 1364765), (15968, 1279980), (16410, 1245504), (17504, 1167660), (17964, 1137760), (18720, 1091812), (19461, 1050240), (19692, 1037920), (19960, 1023984), (21333, 958080), (21880, 934128), (22455, 910208), (23952, 853320), (24615, 830336), (24960, 818859), (25948, 787680), (26256, 778440), (28444, 718560), (29940, 682656), (31936, 639990), (32435, 630144), (32820, 622752), (35008, 583830), (35555, 574848), (35928, 568880), (37440, 545906), (38922, 525120), (39384, 518960), (39920, 511992), (42666, 479040), (43760, 467064), (44910, 455104), (47904, 426660), (49230, 415168), (51896, 393840), (52512, 389220), (56888, 359280), (58383, 350080), (59880, 341328), (63872, 319995), (63999, 319360), (64870, 315072), (65640, 311376), (70016, 291915), (71110, 287424), (71856, 284440), (74880, 272953), (77844, 262560), (78768, 259480), (79840, 255996), (85332, 239520), (87520, 233532), (89820, 227552), (95808, 213330), (97305, 210048), (98460, 207584), (103792, 196920), (105024, 194610), (106665, 191616), (113776, 179640), (116766, 175040), (119760, 170664), (127998, 159680), (129740, 157536), (131280, 155688), (142220, 143712)]

このpageの処理時間: 0.03387165069580078 seconds