About the Number

100980720

100980719 ← → 100980721

2進数表記:110000001001101011111110000

漢数字表記:一億九十八万七百二十

素因数分解:

2 4 × 3 2 × 5 1 × 139 1 × 1009 1

素因数の和:1167
約数の個数: 120
約数和(自身を含む): 341905200
約数和(自身を除く): 240924480

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1009, 1112, 1251, 1390, 1668, 2018, 2085, 2224, 2502, 2780, 3027, 3336, 4036, 4170, 5004, 5045, 5560, 6054, 6255, 6672, 8072, 8340, 9081, 10008, 10090, 11120, 12108, 12510, 15135, 16144, 16680, 18162, 20016, 20180, 24216, 25020, 30270, 33360, 36324, 40360, 45405, 48432, 50040, 60540, 72648, 80720, 90810, 100080, 121080, 140251, 145296, 181620, 242160, 280502, 363240, 420753, 561004, 701255, 726480, 841506, 1122008, 1262259, 1402510, 1683012, 2103765, 2244016, 2524518, 2805020, 3366024, 4207530, 5049036, 5610040, 6311295, 6732048, 8415060, 10098072, 11220080, 12622590, 16830120, 20196144, 25245180, 33660240, 50490360, 100980720]

約数ペア:
[(1, 100980720), (2, 50490360), (3, 33660240), (4, 25245180), (5, 20196144), (6, 16830120), (8, 12622590), (9, 11220080), (10, 10098072), (12, 8415060), (15, 6732048), (16, 6311295), (18, 5610040), (20, 5049036), (24, 4207530), (30, 3366024), (36, 2805020), (40, 2524518), (45, 2244016), (48, 2103765), (60, 1683012), (72, 1402510), (80, 1262259), (90, 1122008), (120, 841506), (139, 726480), (144, 701255), (180, 561004), (240, 420753), (278, 363240), (360, 280502), (417, 242160), (556, 181620), (695, 145296), (720, 140251), (834, 121080), (1009, 100080), (1112, 90810), (1251, 80720), (1390, 72648), (1668, 60540), (2018, 50040), (2085, 48432), (2224, 45405), (2502, 40360), (2780, 36324), (3027, 33360), (3336, 30270), (4036, 25020), (4170, 24216), (5004, 20180), (5045, 20016), (5560, 18162), (6054, 16680), (6255, 16144), (6672, 15135), (8072, 12510), (8340, 12108), (9081, 11120), (10008, 10090)]

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