71920960

素因数分解:

$2^6\times 5^1\times {\mathrm{317}}^1\times {\mathrm{709}}^1$

素因数の和:1043

約数の個数: 56

約数和(自身を含む): 172044360

約数和(自身を除く): 100123400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 317, 320, 634, 709, 1268, 1418, 1585, 2536, 2836, 3170, 3545, 5072, 5672, 6340, 7090, 10144, 11344, 12680, 14180, 20288, 22688, 25360, 28360, 45376, 50720, 56720, 101440, 113440, 224753, 226880, 449506, 899012, 1123765, 1798024, 2247530, 3596048, 4495060, 7192096, 8990120, 14384192, 17980240, 35960480, 71920960]

約数ペア:

[(1, 71920960), (2, 35960480), (4, 17980240), (5, 14384192), (8, 8990120), (10, 7192096), (16, 4495060), (20, 3596048), (32, 2247530), (40, 1798024), (64, 1123765), (80, 899012), (160, 449506), (317, 226880), (320, 224753), (634, 113440), (709, 101440), (1268, 56720), (1418, 50720), (1585, 45376), (2536, 28360), (2836, 25360), (3170, 22688), (3545, 20288), (5072, 14180), (5672, 12680), (6340, 11344), (7090, 10144)]