621093760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{138637}}^1$

素因数の和:138663

約数の個数: 64

約数和(自身を含む): 1696929120

約数和(自身を除く): 1075835360

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, 138637, 277274, 554548, 693185, 970459, 1109096, 1386370, 1940918, 2218192, 2772740, 3881836, 4436384, 4852295, 5545480, 7763672, 8872768, 9704590, 11090960, 15527344, 17745536, 19409180, 22181920, 31054688, 38818360, 44363840, 62109376, 77636720, 88727680, 124218752, 155273440, 310546880, 621093760]

約数ペア:

[(1, 621093760), (2, 310546880), (4, 155273440), (5, 124218752), (7, 88727680), (8, 77636720), (10, 62109376), (14, 44363840), (16, 38818360), (20, 31054688), (28, 22181920), (32, 19409180), (35, 17745536), (40, 15527344), (56, 11090960), (64, 9704590), (70, 8872768), (80, 7763672), (112, 5545480), (128, 4852295), (140, 4436384), (160, 3881836), (224, 2772740), (280, 2218192), (320, 1940918), (448, 1386370), (560, 1109096), (640, 970459), (896, 693185), (1120, 554548), (2240, 277274), (4480, 138637)]