320837160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{381949}}^1$

素因数の和:381970

約数の個数: 64

約数和(自身を含む): 1100016000

約数和(自身を除く): 779178840

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, 381949, 763898, 1145847, 1527796, 1909745, 2291694, 2673643, 3055592, 3819490, 4583388, 5347286, 5729235, 7638980, 8020929, 9166776, 10694572, 11458470, 13368215, 15277960, 16041858, 21389144, 22916940, 26736430, 32083716, 40104645, 45833880, 53472860, 64167432, 80209290, 106945720, 160418580, 320837160]

約数ペア:

[(1, 320837160), (2, 160418580), (3, 106945720), (4, 80209290), (5, 64167432), (6, 53472860), (7, 45833880), (8, 40104645), (10, 32083716), (12, 26736430), (14, 22916940), (15, 21389144), (20, 16041858), (21, 15277960), (24, 13368215), (28, 11458470), (30, 10694572), (35, 9166776), (40, 8020929), (42, 7638980), (56, 5729235), (60, 5347286), (70, 4583388), (84, 3819490), (105, 3055592), (120, 2673643), (140, 2291694), (168, 1909745), (210, 1527796), (280, 1145847), (420, 763898), (840, 381949)]