About the Number

2181417840

2181417839 ← → 2181417841

2進数表記:10000010000001011100101101110000

漢数字表記:二十一億八千百四十一万七千八百四十

素因数分解:

2 4 × 3 2 × 5 1 × 7 1 × 269 1 × 1609 1

素因数の和:1904
約数の個数: 240
約数和(自身を含む): 8408836800
約数和(自身を除く): 6227418960

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 269, 280, 315, 336, 360, 420, 504, 538, 560, 630, 720, 807, 840, 1008, 1076, 1260, 1345, 1609, 1614, 1680, 1883, 2152, 2421, 2520, 2690, 3218, 3228, 3766, 4035, 4304, 4827, 4842, 5040, 5380, 5649, 6436, 6456, 7532, 8045, 8070, 9415, 9654, 9684, 10760, 11263, 11298, 12105, 12872, 12912, 14481, 15064, 16090, 16140, 16947, 18830, 19308, 19368, 21520, 22526, 22596, 24135, 24210, 25744, 28245, 28962, 30128, 32180, 32280, 33789, 33894, 37660, 38616, 38736, 45052, 45192, 48270, 48420, 56315, 56490, 57924, 64360, 64560, 67578, 67788, 72405, 75320, 77232, 84735, 90104, 90384, 96540, 96840, 101367, 112630, 112980, 115848, 128720, 135156, 135576, 144810, 150640, 168945, 169470, 180208, 193080, 193680, 202734, 225260, 225960, 231696, 270312, 271152, 289620, 337890, 338940, 386160, 405468, 432821, 450520, 451920, 506835, 540624, 579240, 675780, 677880, 810936, 865642, 901040, 1013670, 1158480, 1298463, 1351560, 1355760, 1621872, 1731284, 2027340, 2164105, 2596926, 2703120, 3029747, 3462568, 3895389, 4054680, 4328210, 5193852, 6059494, 6492315, 6925136, 7790778, 8109360, 8656420, 9089241, 10387704, 12118988, 12984630, 15148735, 15581556, 17312840, 18178482, 19476945, 20775408, 24237976, 25969260, 27267723, 30297470, 31163112, 34625680, 36356964, 38953890, 45446205, 48475952, 51938520, 54535446, 60594940, 62326224, 72713928, 77907780, 90892410, 103877040, 109070892, 121189880, 136338615, 145427856, 155815560, 181784820, 218141784, 242379760, 272677230, 311631120, 363569640, 436283568, 545354460, 727139280, 1090708920, 2181417840]

約数ペア:
[(1, 2181417840), (2, 1090708920), (3, 727139280), (4, 545354460), (5, 436283568), (6, 363569640), (7, 311631120), (8, 272677230), (9, 242379760), (10, 218141784), (12, 181784820), (14, 155815560), (15, 145427856), (16, 136338615), (18, 121189880), (20, 109070892), (21, 103877040), (24, 90892410), (28, 77907780), (30, 72713928), (35, 62326224), (36, 60594940), (40, 54535446), (42, 51938520), (45, 48475952), (48, 45446205), (56, 38953890), (60, 36356964), (63, 34625680), (70, 31163112), (72, 30297470), (80, 27267723), (84, 25969260), (90, 24237976), (105, 20775408), (112, 19476945), (120, 18178482), (126, 17312840), (140, 15581556), (144, 15148735), (168, 12984630), (180, 12118988), (210, 10387704), (240, 9089241), (252, 8656420), (269, 8109360), (280, 7790778), (315, 6925136), (336, 6492315), (360, 6059494), (420, 5193852), (504, 4328210), (538, 4054680), (560, 3895389), (630, 3462568), (720, 3029747), (807, 2703120), (840, 2596926), (1008, 2164105), (1076, 2027340), (1260, 1731284), (1345, 1621872), (1609, 1355760), (1614, 1351560), (1680, 1298463), (1883, 1158480), (2152, 1013670), (2421, 901040), (2520, 865642), (2690, 810936), (3218, 677880), (3228, 675780), (3766, 579240), (4035, 540624), (4304, 506835), (4827, 451920), (4842, 450520), (5040, 432821), (5380, 405468), (5649, 386160), (6436, 338940), (6456, 337890), (7532, 289620), (8045, 271152), (8070, 270312), (9415, 231696), (9654, 225960), (9684, 225260), (10760, 202734), (11263, 193680), (11298, 193080), (12105, 180208), (12872, 169470), (12912, 168945), (14481, 150640), (15064, 144810), (16090, 135576), (16140, 135156), (16947, 128720), (18830, 115848), (19308, 112980), (19368, 112630), (21520, 101367), (22526, 96840), (22596, 96540), (24135, 90384), (24210, 90104), (25744, 84735), (28245, 77232), (28962, 75320), (30128, 72405), (32180, 67788), (32280, 67578), (33789, 64560), (33894, 64360), (37660, 57924), (38616, 56490), (38736, 56315), (45052, 48420), (45192, 48270)]

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