About the Number

121220640

121220639 ← → 121220641

2進数表記:111001110011010111000100000

漢数字表記:一億二千百二十二万六百四十

素因数分解:

2 5 × 3 2 × 5 1 × 84181 1

素因数の和:84202
約数の個数: 72
約数和(自身を含む): 413670348
約数和(自身を除く): 292449708

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 84181, 168362, 252543, 336724, 420905, 505086, 673448, 757629, 841810, 1010172, 1262715, 1346896, 1515258, 1683620, 2020344, 2525430, 2693792, 3030516, 3367240, 3788145, 4040688, 5050860, 6061032, 6734480, 7576290, 8081376, 10101720, 12122064, 13468960, 15152580, 20203440, 24244128, 30305160, 40406880, 60610320, 121220640]

約数ペア:
[(1, 121220640), (2, 60610320), (3, 40406880), (4, 30305160), (5, 24244128), (6, 20203440), (8, 15152580), (9, 13468960), (10, 12122064), (12, 10101720), (15, 8081376), (16, 7576290), (18, 6734480), (20, 6061032), (24, 5050860), (30, 4040688), (32, 3788145), (36, 3367240), (40, 3030516), (45, 2693792), (48, 2525430), (60, 2020344), (72, 1683620), (80, 1515258), (90, 1346896), (96, 1262715), (120, 1010172), (144, 841810), (160, 757629), (180, 673448), (240, 505086), (288, 420905), (360, 336724), (480, 252543), (720, 168362), (1440, 84181)]

このpageの処理時間: 0.014865398406982422 seconds