About the Number

127208640

127208639 ← → 127208641

2進数表記:111100101010000110011000000

漢数字表記:一億二千七百二十万八千六百四十

素因数分解:

2 6 × 3 1 × 5 1 × 13 1 × 10193 1

素因数の和:10226
約数の個数: 112
約数和(自身を含む): 434998368
約数和(自身を除く): 307789728

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 10193, 12480, 20386, 30579, 40772, 50965, 61158, 81544, 101930, 122316, 132509, 152895, 163088, 203860, 244632, 265018, 305790, 326176, 397527, 407720, 489264, 530036, 611580, 652352, 662545, 795054, 815440, 978528, 1060072, 1223160, 1325090, 1590108, 1630880, 1957056, 1987635, 2120144, 2446320, 2650180, 3180216, 3261760, 3975270, 4240288, 4892640, 5300360, 6360432, 7950540, 8480576, 9785280, 10600720, 12720864, 15901080, 21201440, 25441728, 31802160, 42402880, 63604320, 127208640]

約数ペア:
[(1, 127208640), (2, 63604320), (3, 42402880), (4, 31802160), (5, 25441728), (6, 21201440), (8, 15901080), (10, 12720864), (12, 10600720), (13, 9785280), (15, 8480576), (16, 7950540), (20, 6360432), (24, 5300360), (26, 4892640), (30, 4240288), (32, 3975270), (39, 3261760), (40, 3180216), (48, 2650180), (52, 2446320), (60, 2120144), (64, 1987635), (65, 1957056), (78, 1630880), (80, 1590108), (96, 1325090), (104, 1223160), (120, 1060072), (130, 978528), (156, 815440), (160, 795054), (192, 662545), (195, 652352), (208, 611580), (240, 530036), (260, 489264), (312, 407720), (320, 397527), (390, 326176), (416, 305790), (480, 265018), (520, 244632), (624, 203860), (780, 163088), (832, 152895), (960, 132509), (1040, 122316), (1248, 101930), (1560, 81544), (2080, 61158), (2496, 50965), (3120, 40772), (4160, 30579), (6240, 20386), (10193, 12480)]

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