About the Number

120902880

120902879 ← → 120902881

2進数表記:111001101001101010011100000

漢数字表記:一億二千九十万二千八百八十

素因数分解:

2 5 × 3 1 × 5 1 × 7 1 × 35983 1

素因数の和:36008
約数の個数: 96
約数和(自身を含む): 435262464
約数和(自身を除く): 314359584

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 35983, 71966, 107949, 143932, 179915, 215898, 251881, 287864, 359830, 431796, 503762, 539745, 575728, 719660, 755643, 863592, 1007524, 1079490, 1151456, 1259405, 1439320, 1511286, 1727184, 2015048, 2158980, 2518810, 2878640, 3022572, 3454368, 3778215, 4030096, 4317960, 5037620, 5757280, 6045144, 7556430, 8060192, 8635920, 10075240, 12090288, 15112860, 17271840, 20150480, 24180576, 30225720, 40300960, 60451440, 120902880]

約数ペア:
[(1, 120902880), (2, 60451440), (3, 40300960), (4, 30225720), (5, 24180576), (6, 20150480), (7, 17271840), (8, 15112860), (10, 12090288), (12, 10075240), (14, 8635920), (15, 8060192), (16, 7556430), (20, 6045144), (21, 5757280), (24, 5037620), (28, 4317960), (30, 4030096), (32, 3778215), (35, 3454368), (40, 3022572), (42, 2878640), (48, 2518810), (56, 2158980), (60, 2015048), (70, 1727184), (80, 1511286), (84, 1439320), (96, 1259405), (105, 1151456), (112, 1079490), (120, 1007524), (140, 863592), (160, 755643), (168, 719660), (210, 575728), (224, 539745), (240, 503762), (280, 431796), (336, 359830), (420, 287864), (480, 251881), (560, 215898), (672, 179915), (840, 143932), (1120, 107949), (1680, 71966), (3360, 35983)]

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