780919760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{16573}}^1$

素因数の和:16636

約数の個数: 80

約数和(自身を含む): 1972968960

約数和(自身を除く): 1192049200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 16573, 23560, 33146, 47120, 66292, 82865, 132584, 165730, 265168, 314887, 331460, 513763, 629774, 662920, 1027526, 1259548, 1325840, 1574435, 2055052, 2519096, 2568815, 3148870, 4110104, 5038192, 5137630, 6297740, 8220208, 9761497, 10275260, 12595480, 19522994, 20550520, 25190960, 39045988, 41101040, 48807485, 78091976, 97614970, 156183952, 195229940, 390459880, 780919760]

約数ペア:

[(1, 780919760), (2, 390459880), (4, 195229940), (5, 156183952), (8, 97614970), (10, 78091976), (16, 48807485), (19, 41101040), (20, 39045988), (31, 25190960), (38, 20550520), (40, 19522994), (62, 12595480), (76, 10275260), (80, 9761497), (95, 8220208), (124, 6297740), (152, 5137630), (155, 5038192), (190, 4110104), (248, 3148870), (304, 2568815), (310, 2519096), (380, 2055052), (496, 1574435), (589, 1325840), (620, 1259548), (760, 1027526), (1178, 662920), (1240, 629774), (1520, 513763), (2356, 331460), (2480, 314887), (2945, 265168), (4712, 165730), (5890, 132584), (9424, 82865), (11780, 66292), (16573, 47120), (23560, 33146)]