About the Number

1681211840

1681211839 ← → 1681211841

2進数表記:1100100001101010100000111000000

漢数字表記:十六億八千百二十一万千八百四十

素因数分解:

2 6 × 5 1 × 7 1 × 11 1 × 31 2 × 71 1

素因数の和:168
約数の個数: 336
約数和(自身を含む): 5230075392
約数和(自身を除く): 3548863552

約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 71, 77, 80, 88, 110, 112, 124, 140, 142, 154, 155, 160, 176, 217, 220, 224, 248, 280, 284, 308, 310, 320, 341, 352, 355, 385, 434, 440, 448, 496, 497, 560, 568, 616, 620, 682, 704, 710, 770, 781, 868, 880, 961, 992, 994, 1085, 1120, 1136, 1232, 1240, 1364, 1420, 1540, 1562, 1705, 1736, 1760, 1922, 1984, 1988, 2170, 2201, 2240, 2272, 2387, 2464, 2480, 2485, 2728, 2840, 3080, 3124, 3410, 3472, 3520, 3844, 3905, 3976, 4340, 4402, 4544, 4774, 4805, 4928, 4960, 4970, 5456, 5467, 5680, 6160, 6248, 6727, 6820, 6944, 7688, 7810, 7952, 8680, 8804, 9548, 9610, 9920, 9940, 10571, 10912, 10934, 11005, 11360, 11935, 12320, 12496, 13454, 13640, 13888, 15376, 15407, 15620, 15904, 17360, 17608, 19096, 19220, 19880, 21142, 21824, 21868, 22010, 22720, 23870, 24211, 24640, 24992, 26908, 27280, 27335, 30752, 30814, 31240, 31808, 33635, 34720, 35216, 38192, 38440, 39760, 42284, 43736, 44020, 47740, 48422, 49984, 52855, 53816, 54560, 54670, 61504, 61628, 62480, 67270, 68231, 69440, 70432, 73997, 76384, 76880, 77035, 79520, 84568, 87472, 88040, 95480, 96844, 105710, 107632, 109120, 109340, 121055, 123256, 124960, 134540, 136462, 140864, 147994, 152768, 153760, 154070, 159040, 169136, 169477, 174944, 176080, 190960, 193688, 211420, 215264, 218680, 242110, 246512, 249920, 269080, 272924, 295988, 307520, 308140, 338272, 338954, 341155, 349888, 352160, 369985, 381920, 387376, 422840, 430528, 437360, 477617, 484220, 493024, 538160, 545848, 591976, 616280, 676544, 677908, 682310, 704320, 739970, 750541, 763840, 774752, 845680, 847385, 874720, 955234, 968440, 986048, 1076320, 1091696, 1183952, 1232560, 1355816, 1364620, 1479940, 1501082, 1549504, 1691360, 1694770, 1749440, 1910468, 1936880, 2152640, 2183392, 2367904, 2388085, 2465120, 2711632, 2729240, 2959880, 3002164, 3382720, 3389540, 3752705, 3820936, 3873760, 4366784, 4735808, 4776170, 4930240, 5253787, 5423264, 5458480, 5919760, 6004328, 6779080, 7505410, 7641872, 7747520, 9552340, 10507574, 10846528, 10916960, 11839520, 12008656, 13558160, 15010820, 15283744, 19104680, 21015148, 21833920, 23679040, 24017312, 26268935, 27116320, 30021640, 30567488, 38209360, 42030296, 48034624, 52537870, 54232640, 60043280, 76418720, 84060592, 105075740, 120086560, 152837440, 168121184, 210151480, 240173120, 336242368, 420302960, 840605920, 1681211840]

約数ペア:
[(1, 1681211840), (2, 840605920), (4, 420302960), (5, 336242368), (7, 240173120), (8, 210151480), (10, 168121184), (11, 152837440), (14, 120086560), (16, 105075740), (20, 84060592), (22, 76418720), (28, 60043280), (31, 54232640), (32, 52537870), (35, 48034624), (40, 42030296), (44, 38209360), (55, 30567488), (56, 30021640), (62, 27116320), (64, 26268935), (70, 24017312), (71, 23679040), (77, 21833920), (80, 21015148), (88, 19104680), (110, 15283744), (112, 15010820), (124, 13558160), (140, 12008656), (142, 11839520), (154, 10916960), (155, 10846528), (160, 10507574), (176, 9552340), (217, 7747520), (220, 7641872), (224, 7505410), (248, 6779080), (280, 6004328), (284, 5919760), (308, 5458480), (310, 5423264), (320, 5253787), (341, 4930240), (352, 4776170), (355, 4735808), (385, 4366784), (434, 3873760), (440, 3820936), (448, 3752705), (496, 3389540), (497, 3382720), (560, 3002164), (568, 2959880), (616, 2729240), (620, 2711632), (682, 2465120), (704, 2388085), (710, 2367904), (770, 2183392), (781, 2152640), (868, 1936880), (880, 1910468), (961, 1749440), (992, 1694770), (994, 1691360), (1085, 1549504), (1120, 1501082), (1136, 1479940), (1232, 1364620), (1240, 1355816), (1364, 1232560), (1420, 1183952), (1540, 1091696), (1562, 1076320), (1705, 986048), (1736, 968440), (1760, 955234), (1922, 874720), (1984, 847385), (1988, 845680), (2170, 774752), (2201, 763840), (2240, 750541), (2272, 739970), (2387, 704320), (2464, 682310), (2480, 677908), (2485, 676544), (2728, 616280), (2840, 591976), (3080, 545848), (3124, 538160), (3410, 493024), (3472, 484220), (3520, 477617), (3844, 437360), (3905, 430528), (3976, 422840), (4340, 387376), (4402, 381920), (4544, 369985), (4774, 352160), (4805, 349888), (4928, 341155), (4960, 338954), (4970, 338272), (5456, 308140), (5467, 307520), (5680, 295988), (6160, 272924), (6248, 269080), (6727, 249920), (6820, 246512), (6944, 242110), (7688, 218680), (7810, 215264), (7952, 211420), (8680, 193688), (8804, 190960), (9548, 176080), (9610, 174944), (9920, 169477), (9940, 169136), (10571, 159040), (10912, 154070), (10934, 153760), (11005, 152768), (11360, 147994), (11935, 140864), (12320, 136462), (12496, 134540), (13454, 124960), (13640, 123256), (13888, 121055), (15376, 109340), (15407, 109120), (15620, 107632), (15904, 105710), (17360, 96844), (17608, 95480), (19096, 88040), (19220, 87472), (19880, 84568), (21142, 79520), (21824, 77035), (21868, 76880), (22010, 76384), (22720, 73997), (23870, 70432), (24211, 69440), (24640, 68231), (24992, 67270), (26908, 62480), (27280, 61628), (27335, 61504), (30752, 54670), (30814, 54560), (31240, 53816), (31808, 52855), (33635, 49984), (34720, 48422), (35216, 47740), (38192, 44020), (38440, 43736), (39760, 42284)]

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