657660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 1876896

約数和(自身を除く): 1219236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 113, 194, 226, 291, 339, 388, 452, 485, 565, 582, 678, 970, 1130, 1164, 1356, 1455, 1695, 1940, 2260, 2910, 3390, 5820, 6780, 10961, 21922, 32883, 43844, 54805, 65766, 109610, 131532, 164415, 219220, 328830, 657660]

約数ペア:

[(1, 657660), (2, 328830), (3, 219220), (4, 164415), (5, 131532), (6, 109610), (10, 65766), (12, 54805), (15, 43844), (20, 32883), (30, 21922), (60, 10961), (97, 6780), (113, 5820), (194, 3390), (226, 2910), (291, 2260), (339, 1940), (388, 1695), (452, 1455), (485, 1356), (565, 1164), (582, 1130), (678, 970)]