208251720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{578477}}^1$

素因数の和:578494

約数の個数: 48

約数和(自身を含む): 676819260

約数和(自身を除く): 468567540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 578477, 1156954, 1735431, 2313908, 2892385, 3470862, 4627816, 5206293, 5784770, 6941724, 8677155, 10412586, 11569540, 13883448, 17354310, 20825172, 23139080, 26031465, 34708620, 41650344, 52062930, 69417240, 104125860, 208251720]

約数ペア:

[(1, 208251720), (2, 104125860), (3, 69417240), (4, 52062930), (5, 41650344), (6, 34708620), (8, 26031465), (9, 23139080), (10, 20825172), (12, 17354310), (15, 13883448), (18, 11569540), (20, 10412586), (24, 8677155), (30, 6941724), (36, 5784770), (40, 5206293), (45, 4627816), (60, 3470862), (72, 2892385), (90, 2313908), (120, 1735431), (180, 1156954), (360, 578477)]