About the Number
12816405
2進数表記:110000111001000000010101
漢数字表記:千二百八十一万六千四百五
素因数分解:
素因数の和:131
約数の個数: 96
約数和(自身を含む): 27855360
約数和(自身を除く): 15038955
約数列:
[1, 3, 5, 7, 9, 15, 21, 23, 29, 35, 45, 61, 63, 69, 87, 105, 115, 145, 161, 183, 203, 207, 261, 305, 315, 345, 427, 435, 483, 549, 609, 667, 805, 915, 1015, 1035, 1281, 1305, 1403, 1449, 1769, 1827, 2001, 2135, 2415, 2745, 3045, 3335, 3843, 4209, 4669, 5307, 6003, 6405, 7015, 7245, 8845, 9135, 9821, 10005, 12383, 12627, 14007, 15921, 19215, 21045, 23345, 26535, 29463, 30015, 37149, 40687, 42021, 49105, 61915, 63135, 70035, 79605, 88389, 111447, 122061, 147315, 185745, 203435, 210105, 284809, 366183, 441945, 557235, 610305, 854427, 1424045, 1830915, 2563281, 4272135, 12816405]
約数ペア:
[(1, 12816405), (3, 4272135), (5, 2563281), (7, 1830915), (9, 1424045), (15, 854427), (21, 610305), (23, 557235), (29, 441945), (35, 366183), (45, 284809), (61, 210105), (63, 203435), (69, 185745), (87, 147315), (105, 122061), (115, 111447), (145, 88389), (161, 79605), (183, 70035), (203, 63135), (207, 61915), (261, 49105), (305, 42021), (315, 40687), (345, 37149), (427, 30015), (435, 29463), (483, 26535), (549, 23345), (609, 21045), (667, 19215), (805, 15921), (915, 14007), (1015, 12627), (1035, 12383), (1281, 10005), (1305, 9821), (1403, 9135), (1449, 8845), (1769, 7245), (1827, 7015), (2001, 6405), (2135, 6003), (2415, 5307), (2745, 4669), (3045, 4209), (3335, 3843)]このpageの処理時間: 0.004418611526489258 seconds