209966520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6971}}^1$

素因数の和:7236

約数の個数: 64

約数和(自身を含む): 632499840

約数和(自身を除く): 422533320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 6971, 7530, 10040, 13942, 15060, 20913, 27884, 30120, 34855, 41826, 55768, 69710, 83652, 104565, 139420, 167304, 209130, 278840, 418260, 836520, 1749721, 3499442, 5249163, 6998884, 8748605, 10498326, 13997768, 17497210, 20996652, 26245815, 34994420, 41993304, 52491630, 69988840, 104983260, 209966520]

約数ペア:

[(1, 209966520), (2, 104983260), (3, 69988840), (4, 52491630), (5, 41993304), (6, 34994420), (8, 26245815), (10, 20996652), (12, 17497210), (15, 13997768), (20, 10498326), (24, 8748605), (30, 6998884), (40, 5249163), (60, 3499442), (120, 1749721), (251, 836520), (502, 418260), (753, 278840), (1004, 209130), (1255, 167304), (1506, 139420), (2008, 104565), (2510, 83652), (3012, 69710), (3765, 55768), (5020, 41826), (6024, 34855), (6971, 30120), (7530, 27884), (10040, 20913), (13942, 15060)]