80640216

素因数分解:

$2^3\times 3^2\times {\mathrm{179}}^1\times {\mathrm{6257}}^1$

素因数の和:6448

約数の個数: 48

約数和(自身を含む): 219655800

約数和(自身を除く): 139015584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 179, 358, 537, 716, 1074, 1432, 1611, 2148, 3222, 4296, 6257, 6444, 12514, 12888, 18771, 25028, 37542, 50056, 56313, 75084, 112626, 150168, 225252, 450504, 1120003, 2240006, 3360009, 4480012, 6720018, 8960024, 10080027, 13440036, 20160054, 26880072, 40320108, 80640216]

約数ペア:

[(1, 80640216), (2, 40320108), (3, 26880072), (4, 20160054), (6, 13440036), (8, 10080027), (9, 8960024), (12, 6720018), (18, 4480012), (24, 3360009), (36, 2240006), (72, 1120003), (179, 450504), (358, 225252), (537, 150168), (716, 112626), (1074, 75084), (1432, 56313), (1611, 50056), (2148, 37542), (3222, 25028), (4296, 18771), (6257, 12888), (6444, 12514)]