72305408

素因数分解:

$2^8\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 166643232

約数和(自身を除く): 94337824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 256, 257, 314, 448, 514, 628, 896, 1028, 1099, 1256, 1792, 1799, 2056, 2198, 2512, 3598, 4112, 4396, 5024, 7196, 8224, 8792, 10048, 14392, 16448, 17584, 20096, 28784, 32896, 35168, 40192, 40349, 57568, 65792, 70336, 80698, 115136, 140672, 161396, 230272, 281344, 282443, 322792, 460544, 564886, 645584, 1129772, 1291168, 2259544, 2582336, 4519088, 5164672, 9038176, 10329344, 18076352, 36152704, 72305408]

約数ペア:

[(1, 72305408), (2, 36152704), (4, 18076352), (7, 10329344), (8, 9038176), (14, 5164672), (16, 4519088), (28, 2582336), (32, 2259544), (56, 1291168), (64, 1129772), (112, 645584), (128, 564886), (157, 460544), (224, 322792), (256, 282443), (257, 281344), (314, 230272), (448, 161396), (514, 140672), (628, 115136), (896, 80698), (1028, 70336), (1099, 65792), (1256, 57568), (1792, 40349), (1799, 40192), (2056, 35168), (2198, 32896), (2512, 28784), (3598, 20096), (4112, 17584), (4396, 16448), (5024, 14392), (7196, 10048), (8224, 8792)]