320706120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{381793}}^1$

素因数の和:381814

約数の個数: 64

約数和(自身を含む): 1099566720

約数和(自身を除く): 778860600

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, 381793, 763586, 1145379, 1527172, 1908965, 2290758, 2672551, 3054344, 3817930, 4581516, 5345102, 5726895, 7635860, 8017653, 9163032, 10690204, 11453790, 13362755, 15271720, 16035306, 21380408, 22907580, 26725510, 32070612, 40088265, 45815160, 53451020, 64141224, 80176530, 106902040, 160353060, 320706120]

約数ペア:

[(1, 320706120), (2, 160353060), (3, 106902040), (4, 80176530), (5, 64141224), (6, 53451020), (7, 45815160), (8, 40088265), (10, 32070612), (12, 26725510), (14, 22907580), (15, 21380408), (20, 16035306), (21, 15271720), (24, 13362755), (28, 11453790), (30, 10690204), (35, 9163032), (40, 8017653), (42, 7635860), (56, 5726895), (60, 5345102), (70, 4581516), (84, 3817930), (105, 3054344), (120, 2672551), (140, 2290758), (168, 1908965), (210, 1527172), (280, 1145379), (420, 763586), (840, 381793)]