About the Number
131208720
2進数表記:111110100100001011000010000
漢数字表記:一億三千百二十万八千七百二十
素因数分解:
素因数の和:32192
約数の個数: 80
約数和(自身を含む): 430686720
約数和(自身を除く): 299478000
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 32159, 64318, 96477, 128636, 160795, 192954, 257272, 321590, 385908, 482385, 514544, 546703, 643180, 771816, 964770, 1093406, 1286360, 1543632, 1640109, 1929540, 2186812, 2572720, 2733515, 3280218, 3859080, 4373624, 5467030, 6560436, 7718160, 8200545, 8747248, 10934060, 13120872, 16401090, 21868120, 26241744, 32802180, 43736240, 65604360, 131208720]
約数ペア:
[(1, 131208720), (2, 65604360), (3, 43736240), (4, 32802180), (5, 26241744), (6, 21868120), (8, 16401090), (10, 13120872), (12, 10934060), (15, 8747248), (16, 8200545), (17, 7718160), (20, 6560436), (24, 5467030), (30, 4373624), (34, 3859080), (40, 3280218), (48, 2733515), (51, 2572720), (60, 2186812), (68, 1929540), (80, 1640109), (85, 1543632), (102, 1286360), (120, 1093406), (136, 964770), (170, 771816), (204, 643180), (240, 546703), (255, 514544), (272, 482385), (340, 385908), (408, 321590), (510, 257272), (680, 192954), (816, 160795), (1020, 128636), (1360, 96477), (2040, 64318), (4080, 32159)]このpageの処理時間: 0.014154672622680664 seconds