About the Number
128551440
2進数表記:111101010011000101000010000
漢数字表記:一億二千八百五十五万千四百四十
素因数分解:
素因数の和:2584
約数の個数: 80
約数和(自身を含む): 400420800
約数和(自身を除く): 271869360
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 458, 687, 916, 1145, 1374, 1832, 2290, 2339, 2748, 3435, 3664, 4580, 4678, 5496, 6870, 7017, 9160, 9356, 10992, 11695, 13740, 14034, 18320, 18712, 23390, 27480, 28068, 35085, 37424, 46780, 54960, 56136, 70170, 93560, 112272, 140340, 187120, 280680, 535631, 561360, 1071262, 1606893, 2142524, 2678155, 3213786, 4285048, 5356310, 6427572, 8034465, 8570096, 10712620, 12855144, 16068930, 21425240, 25710288, 32137860, 42850480, 64275720, 128551440]
約数ペア:
[(1, 128551440), (2, 64275720), (3, 42850480), (4, 32137860), (5, 25710288), (6, 21425240), (8, 16068930), (10, 12855144), (12, 10712620), (15, 8570096), (16, 8034465), (20, 6427572), (24, 5356310), (30, 4285048), (40, 3213786), (48, 2678155), (60, 2142524), (80, 1606893), (120, 1071262), (229, 561360), (240, 535631), (458, 280680), (687, 187120), (916, 140340), (1145, 112272), (1374, 93560), (1832, 70170), (2290, 56136), (2339, 54960), (2748, 46780), (3435, 37424), (3664, 35085), (4580, 28068), (4678, 27480), (5496, 23390), (6870, 18712), (7017, 18320), (9160, 14034), (9356, 13740), (10992, 11695)]このpageの処理時間: 0.009613990783691406 seconds