165821480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12157}}^1$

素因数の和:12210

約数の個数: 64

約数和(自身を含む): 420180480

約数和(自身を除く): 254359000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 12157, 13640, 24314, 48628, 60785, 97256, 121570, 133727, 243140, 267454, 376867, 486280, 534908, 668635, 753734, 1069816, 1337270, 1507468, 1884335, 2674540, 3014936, 3768670, 4145537, 5349080, 7537340, 8291074, 15074680, 16582148, 20727685, 33164296, 41455370, 82910740, 165821480]

約数ペア:

[(1, 165821480), (2, 82910740), (4, 41455370), (5, 33164296), (8, 20727685), (10, 16582148), (11, 15074680), (20, 8291074), (22, 7537340), (31, 5349080), (40, 4145537), (44, 3768670), (55, 3014936), (62, 2674540), (88, 1884335), (110, 1507468), (124, 1337270), (155, 1069816), (220, 753734), (248, 668635), (310, 534908), (341, 486280), (440, 376867), (620, 267454), (682, 243140), (1240, 133727), (1364, 121570), (1705, 97256), (2728, 60785), (3410, 48628), (6820, 24314), (12157, 13640)]