64516620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153611}}^1$

素因数の和:153630

約数の個数: 48

約数和(自身を含む): 206454528

約数和(自身を除く): 141937908

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, 153611, 307222, 460833, 614444, 768055, 921666, 1075277, 1536110, 1843332, 2150554, 2304165, 3072220, 3225831, 4301108, 4608330, 5376385, 6451662, 9216660, 10752770, 12903324, 16129155, 21505540, 32258310, 64516620]

約数ペア:

[(1, 64516620), (2, 32258310), (3, 21505540), (4, 16129155), (5, 12903324), (6, 10752770), (7, 9216660), (10, 6451662), (12, 5376385), (14, 4608330), (15, 4301108), (20, 3225831), (21, 3072220), (28, 2304165), (30, 2150554), (35, 1843332), (42, 1536110), (60, 1075277), (70, 921666), (84, 768055), (105, 614444), (140, 460833), (210, 307222), (420, 153611)]