251271680

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8923}}^1$

素因数の和:8957

約数の個数: 80

約数和(自身を含む): 657306144

約数和(自身を除く): 406034464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 8923, 14080, 17846, 28160, 35692, 44615, 71384, 89230, 98153, 142768, 178460, 196306, 285536, 356920, 392612, 490765, 571072, 713840, 785224, 981530, 1142144, 1427680, 1570448, 1963060, 2284288, 2855360, 3140896, 3926120, 4568576, 5710720, 6281792, 7852240, 11421440, 12563584, 15704480, 22842880, 25127168, 31408960, 50254336, 62817920, 125635840, 251271680]

約数ペア:

[(1, 251271680), (2, 125635840), (4, 62817920), (5, 50254336), (8, 31408960), (10, 25127168), (11, 22842880), (16, 15704480), (20, 12563584), (22, 11421440), (32, 7852240), (40, 6281792), (44, 5710720), (55, 4568576), (64, 3926120), (80, 3140896), (88, 2855360), (110, 2284288), (128, 1963060), (160, 1570448), (176, 1427680), (220, 1142144), (256, 981530), (320, 785224), (352, 713840), (440, 571072), (512, 490765), (640, 392612), (704, 356920), (880, 285536), (1280, 196306), (1408, 178460), (1760, 142768), (2560, 98153), (2816, 89230), (3520, 71384), (5632, 44615), (7040, 35692), (8923, 28160), (14080, 17846)]