177807680

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9109}}^1$

素因数の和:9187

約数の個数: 56

約数和(自身を含む): 430392840

約数和(自身を除く): 252585160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9109, 9760, 18218, 19520, 36436, 45545, 72872, 91090, 145744, 182180, 291488, 364360, 555649, 582976, 728720, 1111298, 1457440, 2222596, 2778245, 2914880, 4445192, 5556490, 8890384, 11112980, 17780768, 22225960, 35561536, 44451920, 88903840, 177807680]

約数ペア:

[(1, 177807680), (2, 88903840), (4, 44451920), (5, 35561536), (8, 22225960), (10, 17780768), (16, 11112980), (20, 8890384), (32, 5556490), (40, 4445192), (61, 2914880), (64, 2778245), (80, 2222596), (122, 1457440), (160, 1111298), (244, 728720), (305, 582976), (320, 555649), (488, 364360), (610, 291488), (976, 182180), (1220, 145744), (1952, 91090), (2440, 72872), (3904, 45545), (4880, 36436), (9109, 19520), (9760, 18218)]