170721920

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4373}}^1$

素因数の和:4453

約数の個数: 64

約数和(自身を含む): 414917640

約数和(自身を除く): 244195720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4373, 4880, 7808, 8746, 9760, 17492, 19520, 21865, 34984, 39040, 43730, 69968, 87460, 139936, 174920, 266753, 279872, 349840, 533506, 559744, 699680, 1067012, 1333765, 1399360, 2134024, 2667530, 2798720, 4268048, 5335060, 8536096, 10670120, 17072192, 21340240, 34144384, 42680480, 85360960, 170721920]

約数ペア:

[(1, 170721920), (2, 85360960), (4, 42680480), (5, 34144384), (8, 21340240), (10, 17072192), (16, 10670120), (20, 8536096), (32, 5335060), (40, 4268048), (61, 2798720), (64, 2667530), (80, 2134024), (122, 1399360), (128, 1333765), (160, 1067012), (244, 699680), (305, 559744), (320, 533506), (488, 349840), (610, 279872), (640, 266753), (976, 174920), (1220, 139936), (1952, 87460), (2440, 69968), (3904, 43730), (4373, 39040), (4880, 34984), (7808, 21865), (8746, 19520), (9760, 17492)]