2019061520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{13709}}^1$

素因数の和:13992

約数の個数: 80

約数和(自身を含む): 5385726720

約数和(自身を除く): 3366665200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 1052, 1315, 1841, 2104, 2630, 3682, 4208, 5260, 7364, 9205, 10520, 13709, 14728, 18410, 21040, 27418, 29456, 36820, 54836, 68545, 73640, 95963, 109672, 137090, 147280, 191926, 219344, 274180, 383852, 479815, 548360, 767704, 959630, 1096720, 1535408, 1919260, 3605467, 3838520, 7210934, 7677040, 14421868, 18027335, 25238269, 28843736, 36054670, 50476538, 57687472, 72109340, 100953076, 126191345, 144218680, 201906152, 252382690, 288437360, 403812304, 504765380, 1009530760, 2019061520]

約数ペア:

[(1, 2019061520), (2, 1009530760), (4, 504765380), (5, 403812304), (7, 288437360), (8, 252382690), (10, 201906152), (14, 144218680), (16, 126191345), (20, 100953076), (28, 72109340), (35, 57687472), (40, 50476538), (56, 36054670), (70, 28843736), (80, 25238269), (112, 18027335), (140, 14421868), (263, 7677040), (280, 7210934), (526, 3838520), (560, 3605467), (1052, 1919260), (1315, 1535408), (1841, 1096720), (2104, 959630), (2630, 767704), (3682, 548360), (4208, 479815), (5260, 383852), (7364, 274180), (9205, 219344), (10520, 191926), (13709, 147280), (14728, 137090), (18410, 109672), (21040, 95963), (27418, 73640), (29456, 68545), (36820, 54836)]