140190080

素因数分解:

$2^7\times 5^1\times {\mathrm{317}}^1\times {\mathrm{691}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 336685680

約数和(自身を除く): 196495600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 317, 320, 634, 640, 691, 1268, 1382, 1585, 2536, 2764, 3170, 3455, 5072, 5528, 6340, 6910, 10144, 11056, 12680, 13820, 20288, 22112, 25360, 27640, 40576, 44224, 50720, 55280, 88448, 101440, 110560, 202880, 219047, 221120, 438094, 442240, 876188, 1095235, 1752376, 2190470, 3504752, 4380940, 7009504, 8761880, 14019008, 17523760, 28038016, 35047520, 70095040, 140190080]

約数ペア:

[(1, 140190080), (2, 70095040), (4, 35047520), (5, 28038016), (8, 17523760), (10, 14019008), (16, 8761880), (20, 7009504), (32, 4380940), (40, 3504752), (64, 2190470), (80, 1752376), (128, 1095235), (160, 876188), (317, 442240), (320, 438094), (634, 221120), (640, 219047), (691, 202880), (1268, 110560), (1382, 101440), (1585, 88448), (2536, 55280), (2764, 50720), (3170, 44224), (3455, 40576), (5072, 27640), (5528, 25360), (6340, 22112), (6910, 20288), (10144, 13820), (11056, 12680)]