78617820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68963}}^1$

素因数の和:68994

約数の個数: 48

約数和(自身を含む): 231719040

約数和(自身を除く): 153101220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 68963, 137926, 206889, 275852, 344815, 413778, 689630, 827556, 1034445, 1310297, 1379260, 2068890, 2620594, 3930891, 4137780, 5241188, 6551485, 7861782, 13102970, 15723564, 19654455, 26205940, 39308910, 78617820]

約数ペア:

[(1, 78617820), (2, 39308910), (3, 26205940), (4, 19654455), (5, 15723564), (6, 13102970), (10, 7861782), (12, 6551485), (15, 5241188), (19, 4137780), (20, 3930891), (30, 2620594), (38, 2068890), (57, 1379260), (60, 1310297), (76, 1034445), (95, 827556), (114, 689630), (190, 413778), (228, 344815), (285, 275852), (380, 206889), (570, 137926), (1140, 68963)]