80636520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{671971}}^1$

素因数の和:671985

約数の個数: 32

約数和(自身を含む): 241909920

約数和(自身を除く): 161273400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 671971, 1343942, 2015913, 2687884, 3359855, 4031826, 5375768, 6719710, 8063652, 10079565, 13439420, 16127304, 20159130, 26878840, 40318260, 80636520]

約数ペア:

[(1, 80636520), (2, 40318260), (3, 26878840), (4, 20159130), (5, 16127304), (6, 13439420), (8, 10079565), (10, 8063652), (12, 6719710), (15, 5375768), (20, 4031826), (24, 3359855), (30, 2687884), (40, 2015913), (60, 1343942), (120, 671971)]