631760128

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 1335549600

約数和(自身を除く): 703789472

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 86, 116, 128, 172, 232, 256, 344, 464, 688, 928, 1247, 1376, 1856, 1979, 2494, 2752, 3712, 3958, 4988, 5504, 7424, 7916, 9976, 11008, 15832, 19952, 31664, 39904, 57391, 63328, 79808, 85097, 114782, 126656, 159616, 170194, 229564, 253312, 319232, 340388, 459128, 506624, 680776, 918256, 1361552, 1836512, 2467813, 2723104, 3673024, 4935626, 5446208, 7346048, 9871252, 10892416, 14692096, 19742504, 21784832, 39485008, 78970016, 157940032, 315880064, 631760128]

約数ペア:

[(1, 631760128), (2, 315880064), (4, 157940032), (8, 78970016), (16, 39485008), (29, 21784832), (32, 19742504), (43, 14692096), (58, 10892416), (64, 9871252), (86, 7346048), (116, 5446208), (128, 4935626), (172, 3673024), (232, 2723104), (256, 2467813), (344, 1836512), (464, 1361552), (688, 918256), (928, 680776), (1247, 506624), (1376, 459128), (1856, 340388), (1979, 319232), (2494, 253312), (2752, 229564), (3712, 170194), (3958, 159616), (4988, 126656), (5504, 114782), (7424, 85097), (7916, 79808), (9976, 63328), (11008, 57391), (15832, 39904), (19952, 31664)]