180206820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2039}}^1$

素因数の和:2545

約数の個数: 72

約数和(自身を含む): 548009280

約数和(自身を除く): 367802460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1964, 2039, 2455, 2946, 4078, 4419, 4910, 5892, 6117, 7365, 8156, 8838, 9820, 10195, 12234, 14730, 17676, 18351, 20390, 22095, 24468, 29460, 30585, 36702, 40780, 44190, 61170, 73404, 88380, 91755, 122340, 183510, 367020, 1001149, 2002298, 3003447, 4004596, 5005745, 6006894, 9010341, 10011490, 12013788, 15017235, 18020682, 20022980, 30034470, 36041364, 45051705, 60068940, 90103410, 180206820]

約数ペア:

[(1, 180206820), (2, 90103410), (3, 60068940), (4, 45051705), (5, 36041364), (6, 30034470), (9, 20022980), (10, 18020682), (12, 15017235), (15, 12013788), (18, 10011490), (20, 9010341), (30, 6006894), (36, 5005745), (45, 4004596), (60, 3003447), (90, 2002298), (180, 1001149), (491, 367020), (982, 183510), (1473, 122340), (1964, 91755), (2039, 88380), (2455, 73404), (2946, 61170), (4078, 44190), (4419, 40780), (4910, 36702), (5892, 30585), (6117, 29460), (7365, 24468), (8156, 22095), (8838, 20390), (9820, 18351), (10195, 17676), (12234, 14730)]