78980040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{219389}}^1$

素因数の和:219406

約数の個数: 48

約数和(自身を含む): 256686300

約数和(自身を除く): 177706260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 219389, 438778, 658167, 877556, 1096945, 1316334, 1755112, 1974501, 2193890, 2632668, 3290835, 3949002, 4387780, 5265336, 6581670, 7898004, 8775560, 9872505, 13163340, 15796008, 19745010, 26326680, 39490020, 78980040]

約数ペア:

[(1, 78980040), (2, 39490020), (3, 26326680), (4, 19745010), (5, 15796008), (6, 13163340), (8, 9872505), (9, 8775560), (10, 7898004), (12, 6581670), (15, 5265336), (18, 4387780), (20, 3949002), (24, 3290835), (30, 2632668), (36, 2193890), (40, 1974501), (45, 1755112), (60, 1316334), (72, 1096945), (90, 877556), (120, 658167), (180, 438778), (360, 219389)]