About the Number

13291265280

13291265279 ← → 13291265281

2進数表記:1100011000001110001001110100000000

漢数字表記:百三十二億九千百二十六万五千二百八十

素因数分解:

2 8 × 3 1 × 5 1 × 331 1 × 10457 1

素因数の和:10812
約数の個数: 144
約数和(自身を含む): 42581294784
約数和(自身を除く): 29290029504

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 331, 384, 480, 640, 662, 768, 960, 993, 1280, 1324, 1655, 1920, 1986, 2648, 3310, 3840, 3972, 4965, 5296, 6620, 7944, 9930, 10457, 10592, 13240, 15888, 19860, 20914, 21184, 26480, 31371, 31776, 39720, 41828, 42368, 52285, 52960, 62742, 63552, 79440, 83656, 84736, 104570, 105920, 125484, 127104, 156855, 158880, 167312, 209140, 211840, 250968, 254208, 313710, 317760, 334624, 418280, 423680, 501936, 627420, 635520, 669248, 836560, 1003872, 1254840, 1271040, 1338496, 1673120, 2007744, 2509680, 2676992, 3346240, 3461267, 4015488, 5019360, 6692480, 6922534, 8030976, 10038720, 10383801, 13384960, 13845068, 17306335, 20077440, 20767602, 27690136, 34612670, 40154880, 41535204, 51919005, 55380272, 69225340, 83070408, 103838010, 110760544, 138450680, 166140816, 207676020, 221521088, 276901360, 332281632, 415352040, 443042176, 553802720, 664563264, 830704080, 886084352, 1107605440, 1329126528, 1661408160, 2215210880, 2658253056, 3322816320, 4430421760, 6645632640, 13291265280]

約数ペア:
[(1, 13291265280), (2, 6645632640), (3, 4430421760), (4, 3322816320), (5, 2658253056), (6, 2215210880), (8, 1661408160), (10, 1329126528), (12, 1107605440), (15, 886084352), (16, 830704080), (20, 664563264), (24, 553802720), (30, 443042176), (32, 415352040), (40, 332281632), (48, 276901360), (60, 221521088), (64, 207676020), (80, 166140816), (96, 138450680), (120, 110760544), (128, 103838010), (160, 83070408), (192, 69225340), (240, 55380272), (256, 51919005), (320, 41535204), (331, 40154880), (384, 34612670), (480, 27690136), (640, 20767602), (662, 20077440), (768, 17306335), (960, 13845068), (993, 13384960), (1280, 10383801), (1324, 10038720), (1655, 8030976), (1920, 6922534), (1986, 6692480), (2648, 5019360), (3310, 4015488), (3840, 3461267), (3972, 3346240), (4965, 2676992), (5296, 2509680), (6620, 2007744), (7944, 1673120), (9930, 1338496), (10457, 1271040), (10592, 1254840), (13240, 1003872), (15888, 836560), (19860, 669248), (20914, 635520), (21184, 627420), (26480, 501936), (31371, 423680), (31776, 418280), (39720, 334624), (41828, 317760), (42368, 313710), (52285, 254208), (52960, 250968), (62742, 211840), (63552, 209140), (79440, 167312), (83656, 158880), (84736, 156855), (104570, 127104), (105920, 125484)]

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