64788990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{308519}}^1$

素因数の和:308536

約数の個数: 32

約数和(自身を含む): 177707520

約数和(自身を除く): 112918530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 308519, 617038, 925557, 1542595, 1851114, 2159633, 3085190, 4319266, 4627785, 6478899, 9255570, 10798165, 12957798, 21596330, 32394495, 64788990]

約数ペア:

[(1, 64788990), (2, 32394495), (3, 21596330), (5, 12957798), (6, 10798165), (7, 9255570), (10, 6478899), (14, 4627785), (15, 4319266), (21, 3085190), (30, 2159633), (35, 1851114), (42, 1542595), (70, 925557), (105, 617038), (210, 308519)]