305288760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{363439}}^1$

素因数の和:363460

約数の個数: 64

約数和(自身を含む): 1046707200

約数和(自身を除く): 741418440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 363439, 726878, 1090317, 1453756, 1817195, 2180634, 2544073, 2907512, 3634390, 4361268, 5088146, 5451585, 7268780, 7632219, 8722536, 10176292, 10903170, 12720365, 14537560, 15264438, 20352584, 21806340, 25440730, 30528876, 38161095, 43612680, 50881460, 61057752, 76322190, 101762920, 152644380, 305288760]

約数ペア:

[(1, 305288760), (2, 152644380), (3, 101762920), (4, 76322190), (5, 61057752), (6, 50881460), (7, 43612680), (8, 38161095), (10, 30528876), (12, 25440730), (14, 21806340), (15, 20352584), (20, 15264438), (21, 14537560), (24, 12720365), (28, 10903170), (30, 10176292), (35, 8722536), (40, 7632219), (42, 7268780), (56, 5451585), (60, 5088146), (70, 4361268), (84, 3634390), (105, 2907512), (120, 2544073), (140, 2180634), (168, 1817195), (210, 1453756), (280, 1090317), (420, 726878), (840, 363439)]