142728320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31859}}^1$

素因数の和:31885

約数の個数: 64

約数和(自身を含む): 389966400

約数和(自身を除く): 247238080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 31859, 63718, 127436, 159295, 223013, 254872, 318590, 446026, 509744, 637180, 892052, 1019488, 1115065, 1274360, 1784104, 2038976, 2230130, 2548720, 3568208, 4077952, 4460260, 5097440, 7136416, 8920520, 10194880, 14272832, 17841040, 20389760, 28545664, 35682080, 71364160, 142728320]

約数ペア:

[(1, 142728320), (2, 71364160), (4, 35682080), (5, 28545664), (7, 20389760), (8, 17841040), (10, 14272832), (14, 10194880), (16, 8920520), (20, 7136416), (28, 5097440), (32, 4460260), (35, 4077952), (40, 3568208), (56, 2548720), (64, 2230130), (70, 2038976), (80, 1784104), (112, 1274360), (128, 1115065), (140, 1019488), (160, 892052), (224, 637180), (280, 509744), (320, 446026), (448, 318590), (560, 254872), (640, 223013), (896, 159295), (1120, 127436), (2240, 63718), (4480, 31859)]