257697240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45691}}^1$

素因数の和:45752

約数の個数: 64

約数和(自身を含む): 789557760

約数和(自身を除く): 531860520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 45691, 91382, 137073, 182764, 228455, 274146, 365528, 456910, 548292, 685365, 913820, 1096584, 1370730, 1827640, 2147477, 2741460, 4294954, 5482920, 6442431, 8589908, 10737385, 12884862, 17179816, 21474770, 25769724, 32212155, 42949540, 51539448, 64424310, 85899080, 128848620, 257697240]

約数ペア:

[(1, 257697240), (2, 128848620), (3, 85899080), (4, 64424310), (5, 51539448), (6, 42949540), (8, 32212155), (10, 25769724), (12, 21474770), (15, 17179816), (20, 12884862), (24, 10737385), (30, 8589908), (40, 6442431), (47, 5482920), (60, 4294954), (94, 2741460), (120, 2147477), (141, 1827640), (188, 1370730), (235, 1096584), (282, 913820), (376, 685365), (470, 548292), (564, 456910), (705, 365528), (940, 274146), (1128, 228455), (1410, 182764), (1880, 137073), (2820, 91382), (5640, 45691)]