About the Number

120991680

120991679 ← → 120991681

2進数表記:111001101100010111111000000

漢数字表記:一億二千九十九万千六百八十

素因数分解:

2 6 × 3 2 × 5 1 × 43 1 × 977 1

素因数の和:1043
約数の個数: 168
約数和(自身を含む): 426274992
約数和(自身を除く): 305283312

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 192, 215, 240, 258, 288, 320, 344, 360, 387, 430, 480, 516, 576, 645, 688, 720, 774, 860, 960, 977, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 1954, 2064, 2580, 2752, 2880, 2931, 3096, 3440, 3870, 3908, 4128, 4885, 5160, 5862, 6192, 6880, 7740, 7816, 8256, 8793, 9770, 10320, 11724, 12384, 13760, 14655, 15480, 15632, 17586, 19540, 20640, 23448, 24768, 29310, 30960, 31264, 35172, 39080, 41280, 42011, 43965, 46896, 58620, 61920, 62528, 70344, 78160, 84022, 87930, 93792, 117240, 123840, 126033, 140688, 156320, 168044, 175860, 187584, 210055, 234480, 252066, 281376, 312640, 336088, 351720, 378099, 420110, 468960, 504132, 562752, 630165, 672176, 703440, 756198, 840220, 937920, 1008264, 1260330, 1344352, 1406880, 1512396, 1680440, 1890495, 2016528, 2520660, 2688704, 2813760, 3024792, 3360880, 3780990, 4033056, 5041320, 6049584, 6721760, 7561980, 8066112, 10082640, 12099168, 13443520, 15123960, 20165280, 24198336, 30247920, 40330560, 60495840, 120991680]

約数ペア:
[(1, 120991680), (2, 60495840), (3, 40330560), (4, 30247920), (5, 24198336), (6, 20165280), (8, 15123960), (9, 13443520), (10, 12099168), (12, 10082640), (15, 8066112), (16, 7561980), (18, 6721760), (20, 6049584), (24, 5041320), (30, 4033056), (32, 3780990), (36, 3360880), (40, 3024792), (43, 2813760), (45, 2688704), (48, 2520660), (60, 2016528), (64, 1890495), (72, 1680440), (80, 1512396), (86, 1406880), (90, 1344352), (96, 1260330), (120, 1008264), (129, 937920), (144, 840220), (160, 756198), (172, 703440), (180, 672176), (192, 630165), (215, 562752), (240, 504132), (258, 468960), (288, 420110), (320, 378099), (344, 351720), (360, 336088), (387, 312640), (430, 281376), (480, 252066), (516, 234480), (576, 210055), (645, 187584), (688, 175860), (720, 168044), (774, 156320), (860, 140688), (960, 126033), (977, 123840), (1032, 117240), (1290, 93792), (1376, 87930), (1440, 84022), (1548, 78160), (1720, 70344), (1935, 62528), (1954, 61920), (2064, 58620), (2580, 46896), (2752, 43965), (2880, 42011), (2931, 41280), (3096, 39080), (3440, 35172), (3870, 31264), (3908, 30960), (4128, 29310), (4885, 24768), (5160, 23448), (5862, 20640), (6192, 19540), (6880, 17586), (7740, 15632), (7816, 15480), (8256, 14655), (8793, 13760), (9770, 12384), (10320, 11724)]

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