About the Number

12139680

12139679 ← → 12139681

2進数表記:101110010011110010100000

漢数字表記:千二百十三万九千六百八十

素因数分解:

2 5 × 3 1 × 5 1 × 7 1 × 3613 1

素因数の和:3638
約数の個数: 96
約数和(自身を含む): 43714944
約数和(自身を除く): 31575264

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, 3613, 7226, 10839, 14452, 18065, 21678, 25291, 28904, 36130, 43356, 50582, 54195, 57808, 72260, 75873, 86712, 101164, 108390, 115616, 126455, 144520, 151746, 173424, 202328, 216780, 252910, 289040, 303492, 346848, 379365, 404656, 433560, 505820, 578080, 606984, 758730, 809312, 867120, 1011640, 1213968, 1517460, 1734240, 2023280, 2427936, 3034920, 4046560, 6069840, 12139680]

約数ペア:
[(1, 12139680), (2, 6069840), (3, 4046560), (4, 3034920), (5, 2427936), (6, 2023280), (7, 1734240), (8, 1517460), (10, 1213968), (12, 1011640), (14, 867120), (15, 809312), (16, 758730), (20, 606984), (21, 578080), (24, 505820), (28, 433560), (30, 404656), (32, 379365), (35, 346848), (40, 303492), (42, 289040), (48, 252910), (56, 216780), (60, 202328), (70, 173424), (80, 151746), (84, 144520), (96, 126455), (105, 115616), (112, 108390), (120, 101164), (140, 86712), (160, 75873), (168, 72260), (210, 57808), (224, 54195), (240, 50582), (280, 43356), (336, 36130), (420, 28904), (480, 25291), (560, 21678), (672, 18065), (840, 14452), (1120, 10839), (1680, 7226), (3360, 3613)]

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