About the Number
121128720
2進数表記:111001110000100011100010000
漢数字表記:一億二千百十二万八千七百二十
素因数分解:
素因数の和:1472
約数の個数: 80
約数和(自身を含む): 376583040
約数和(自身を除く): 255454320
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 569, 887, 1138, 1707, 1774, 2276, 2661, 2845, 3414, 3548, 4435, 4552, 5322, 5690, 6828, 7096, 8535, 8870, 9104, 10644, 11380, 13305, 13656, 14192, 17070, 17740, 21288, 22760, 26610, 27312, 34140, 35480, 42576, 45520, 53220, 68280, 70960, 106440, 136560, 212880, 504703, 1009406, 1514109, 2018812, 2523515, 3028218, 4037624, 5047030, 6056436, 7570545, 8075248, 10094060, 12112872, 15141090, 20188120, 24225744, 30282180, 40376240, 60564360, 121128720]
約数ペア:
[(1, 121128720), (2, 60564360), (3, 40376240), (4, 30282180), (5, 24225744), (6, 20188120), (8, 15141090), (10, 12112872), (12, 10094060), (15, 8075248), (16, 7570545), (20, 6056436), (24, 5047030), (30, 4037624), (40, 3028218), (48, 2523515), (60, 2018812), (80, 1514109), (120, 1009406), (240, 504703), (569, 212880), (887, 136560), (1138, 106440), (1707, 70960), (1774, 68280), (2276, 53220), (2661, 45520), (2845, 42576), (3414, 35480), (3548, 34140), (4435, 27312), (4552, 26610), (5322, 22760), (5690, 21288), (6828, 17740), (7096, 17070), (8535, 14192), (8870, 13656), (9104, 13305), (10644, 11380)]このpageの処理時間: 0.19893574714660645 seconds