About the Number

81318384

81318383 ← → 81318385

2進数表記:100110110001101000111110000

漢数字表記:八千百三十一万八千三百八十四

素因数分解:

2 4 × 3 3 × 7 1 × 26891 1

素因数の和:26915
約数の個数: 80
約数和(自身を含む): 266768640
約数和(自身を除く): 185450256

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 26891, 53782, 80673, 107564, 161346, 188237, 215128, 242019, 322692, 376474, 430256, 484038, 564711, 645384, 726057, 752948, 968076, 1129422, 1290768, 1452114, 1505896, 1694133, 1936152, 2258844, 2904228, 3011792, 3388266, 3872304, 4517688, 5082399, 5808456, 6776532, 9035376, 10164798, 11616912, 13553064, 20329596, 27106128, 40659192, 81318384]

約数ペア:
[(1, 81318384), (2, 40659192), (3, 27106128), (4, 20329596), (6, 13553064), (7, 11616912), (8, 10164798), (9, 9035376), (12, 6776532), (14, 5808456), (16, 5082399), (18, 4517688), (21, 3872304), (24, 3388266), (27, 3011792), (28, 2904228), (36, 2258844), (42, 1936152), (48, 1694133), (54, 1505896), (56, 1452114), (63, 1290768), (72, 1129422), (84, 968076), (108, 752948), (112, 726057), (126, 645384), (144, 564711), (168, 484038), (189, 430256), (216, 376474), (252, 322692), (336, 242019), (378, 215128), (432, 188237), (504, 161346), (756, 107564), (1008, 80673), (1512, 53782), (3024, 26891)]

このpageの処理時間: 0.005162715911865234 seconds