64726620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154111}}^1$

素因数の和:154130

約数の個数: 48

約数和(自身を含む): 207126528

約数和(自身を除く): 142399908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 154111, 308222, 462333, 616444, 770555, 924666, 1078777, 1541110, 1849332, 2157554, 2311665, 3082220, 3236331, 4315108, 4623330, 5393885, 6472662, 9246660, 10787770, 12945324, 16181655, 21575540, 32363310, 64726620]

約数ペア:

[(1, 64726620), (2, 32363310), (3, 21575540), (4, 16181655), (5, 12945324), (6, 10787770), (7, 9246660), (10, 6472662), (12, 5393885), (14, 4623330), (15, 4315108), (20, 3236331), (21, 3082220), (28, 2311665), (30, 2157554), (35, 1849332), (42, 1541110), (60, 1078777), (70, 924666), (84, 770555), (105, 616444), (140, 462333), (210, 308222), (420, 154111)]