205024140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21491}}^1$

素因数の和:21559

約数の個数: 72

約数和(自身を含む): 633670128

約数和(自身を除く): 428645988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 21491, 42982, 64473, 85964, 107455, 128946, 193419, 214910, 257892, 322365, 386838, 429820, 644730, 773676, 967095, 1139023, 1289460, 1934190, 2278046, 3417069, 3868380, 4556092, 5695115, 6834138, 10251207, 11390230, 13668276, 17085345, 20502414, 22780460, 34170690, 41004828, 51256035, 68341380, 102512070, 205024140]

約数ペア:

[(1, 205024140), (2, 102512070), (3, 68341380), (4, 51256035), (5, 41004828), (6, 34170690), (9, 22780460), (10, 20502414), (12, 17085345), (15, 13668276), (18, 11390230), (20, 10251207), (30, 6834138), (36, 5695115), (45, 4556092), (53, 3868380), (60, 3417069), (90, 2278046), (106, 1934190), (159, 1289460), (180, 1139023), (212, 967095), (265, 773676), (318, 644730), (477, 429820), (530, 386838), (636, 322365), (795, 257892), (954, 214910), (1060, 193419), (1590, 128946), (1908, 107455), (2385, 85964), (3180, 64473), (4770, 42982), (9540, 21491)]