165406720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 411301800

約数和(自身を除く): 245895080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 557, 580, 640, 928, 1024, 1114, 1160, 1280, 1856, 2048, 2228, 2320, 2560, 2785, 3712, 4456, 4640, 5120, 5570, 7424, 8912, 9280, 10240, 11140, 14848, 16153, 17824, 18560, 22280, 29696, 32306, 35648, 37120, 44560, 59392, 64612, 71296, 74240, 80765, 89120, 129224, 142592, 148480, 161530, 178240, 258448, 285184, 296960, 323060, 356480, 516896, 570368, 646120, 712960, 1033792, 1140736, 1292240, 1425920, 2067584, 2584480, 2851840, 4135168, 5168960, 5703680, 8270336, 10337920, 16540672, 20675840, 33081344, 41351680, 82703360, 165406720]

約数ペア:

[(1, 165406720), (2, 82703360), (4, 41351680), (5, 33081344), (8, 20675840), (10, 16540672), (16, 10337920), (20, 8270336), (29, 5703680), (32, 5168960), (40, 4135168), (58, 2851840), (64, 2584480), (80, 2067584), (116, 1425920), (128, 1292240), (145, 1140736), (160, 1033792), (232, 712960), (256, 646120), (290, 570368), (320, 516896), (464, 356480), (512, 323060), (557, 296960), (580, 285184), (640, 258448), (928, 178240), (1024, 161530), (1114, 148480), (1160, 142592), (1280, 129224), (1856, 89120), (2048, 80765), (2228, 74240), (2320, 71296), (2560, 64612), (2785, 59392), (3712, 44560), (4456, 37120), (4640, 35648), (5120, 32306), (5570, 29696), (7424, 22280), (8912, 18560), (9280, 17824), (10240, 16153), (11140, 14848)]