About the Number

129405120

129405119 ← → 129405121

2進数表記:111101101101001000011000000

漢数字表記:一億二千九百四十万五千百二十

素因数分解:

2 6 × 3 1 × 5 1 × 13 1 × 10369 1

素因数の和:10402
約数の個数: 112
約数和(自身を含む): 442508640
約数和(自身を除く): 313103520

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, 10369, 12480, 20738, 31107, 41476, 51845, 62214, 82952, 103690, 124428, 134797, 155535, 165904, 207380, 248856, 269594, 311070, 331808, 404391, 414760, 497712, 539188, 622140, 663616, 673985, 808782, 829520, 995424, 1078376, 1244280, 1347970, 1617564, 1659040, 1990848, 2021955, 2156752, 2488560, 2695940, 3235128, 3318080, 4043910, 4313504, 4977120, 5391880, 6470256, 8087820, 8627008, 9954240, 10783760, 12940512, 16175640, 21567520, 25881024, 32351280, 43135040, 64702560, 129405120]

約数ペア:
[(1, 129405120), (2, 64702560), (3, 43135040), (4, 32351280), (5, 25881024), (6, 21567520), (8, 16175640), (10, 12940512), (12, 10783760), (13, 9954240), (15, 8627008), (16, 8087820), (20, 6470256), (24, 5391880), (26, 4977120), (30, 4313504), (32, 4043910), (39, 3318080), (40, 3235128), (48, 2695940), (52, 2488560), (60, 2156752), (64, 2021955), (65, 1990848), (78, 1659040), (80, 1617564), (96, 1347970), (104, 1244280), (120, 1078376), (130, 995424), (156, 829520), (160, 808782), (192, 673985), (195, 663616), (208, 622140), (240, 539188), (260, 497712), (312, 414760), (320, 404391), (390, 331808), (416, 311070), (480, 269594), (520, 248856), (624, 207380), (780, 165904), (832, 155535), (960, 134797), (1040, 124428), (1248, 103690), (1560, 82952), (2080, 62214), (2496, 51845), (3120, 41476), (4160, 31107), (6240, 20738), (10369, 12480)]

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