About the Number

157421232

157421231 ← → 157421233

2進数表記:1001011000100000111010110000

漢数字表記:一億五千七百四十二万千二百三十二

素因数分解:

2 4 × 3 5 × 19 1 × 2131 1

素因数の和:2173
約数の個数: 120
約数和(自身を含む): 481149760
約数和(自身を除く): 323728528

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 432, 456, 486, 513, 648, 684, 912, 972, 1026, 1296, 1368, 1539, 1944, 2052, 2131, 2736, 3078, 3888, 4104, 4262, 4617, 6156, 6393, 8208, 8524, 9234, 12312, 12786, 17048, 18468, 19179, 24624, 25572, 34096, 36936, 38358, 40489, 51144, 57537, 73872, 76716, 80978, 102288, 115074, 121467, 153432, 161956, 172611, 230148, 242934, 306864, 323912, 345222, 364401, 460296, 485868, 517833, 647824, 690444, 728802, 920592, 971736, 1035666, 1093203, 1380888, 1457604, 1943472, 2071332, 2186406, 2761776, 2915208, 3279609, 4142664, 4372812, 5830416, 6559218, 8285328, 8745624, 9838827, 13118436, 17491248, 19677654, 26236872, 39355308, 52473744, 78710616, 157421232]

約数ペア:
[(1, 157421232), (2, 78710616), (3, 52473744), (4, 39355308), (6, 26236872), (8, 19677654), (9, 17491248), (12, 13118436), (16, 9838827), (18, 8745624), (19, 8285328), (24, 6559218), (27, 5830416), (36, 4372812), (38, 4142664), (48, 3279609), (54, 2915208), (57, 2761776), (72, 2186406), (76, 2071332), (81, 1943472), (108, 1457604), (114, 1380888), (144, 1093203), (152, 1035666), (162, 971736), (171, 920592), (216, 728802), (228, 690444), (243, 647824), (304, 517833), (324, 485868), (342, 460296), (432, 364401), (456, 345222), (486, 323912), (513, 306864), (648, 242934), (684, 230148), (912, 172611), (972, 161956), (1026, 153432), (1296, 121467), (1368, 115074), (1539, 102288), (1944, 80978), (2052, 76716), (2131, 73872), (2736, 57537), (3078, 51144), (3888, 40489), (4104, 38358), (4262, 36936), (4617, 34096), (6156, 25572), (6393, 24624), (8208, 19179), (8524, 18468), (9234, 17048), (12312, 12786)]

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