About the Number

12997320

12997319 ← → 12997321

2進数表記:110001100101001011001000

漢数字表記:千二百九十九万七千三百二十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 15473 1

素因数の和:15494
約数の個数: 64
約数和(自身を含む): 44565120
約数和(自身を除く): 31567800

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 15473, 30946, 46419, 61892, 77365, 92838, 108311, 123784, 154730, 185676, 216622, 232095, 309460, 324933, 371352, 433244, 464190, 541555, 618920, 649866, 866488, 928380, 1083110, 1299732, 1624665, 1856760, 2166220, 2599464, 3249330, 4332440, 6498660, 12997320]

約数ペア:
[(1, 12997320), (2, 6498660), (3, 4332440), (4, 3249330), (5, 2599464), (6, 2166220), (7, 1856760), (8, 1624665), (10, 1299732), (12, 1083110), (14, 928380), (15, 866488), (20, 649866), (21, 618920), (24, 541555), (28, 464190), (30, 433244), (35, 371352), (40, 324933), (42, 309460), (56, 232095), (60, 216622), (70, 185676), (84, 154730), (105, 123784), (120, 108311), (140, 92838), (168, 77365), (210, 61892), (280, 46419), (420, 30946), (840, 15473)]

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