77003820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1021}}^1$

素因数の和:1455

約数の個数: 72

約数和(自身を含む): 234365040

約数和(自身を除く): 157361220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 1021, 1257, 1676, 2042, 2095, 2514, 3063, 3771, 4084, 4190, 5028, 5105, 6126, 6285, 7542, 8380, 9189, 10210, 12252, 12570, 15084, 15315, 18378, 18855, 20420, 25140, 30630, 36756, 37710, 45945, 61260, 75420, 91890, 183780, 427799, 855598, 1283397, 1711196, 2138995, 2566794, 3850191, 4277990, 5133588, 6416985, 7700382, 8555980, 12833970, 15400764, 19250955, 25667940, 38501910, 77003820]

約数ペア:

[(1, 77003820), (2, 38501910), (3, 25667940), (4, 19250955), (5, 15400764), (6, 12833970), (9, 8555980), (10, 7700382), (12, 6416985), (15, 5133588), (18, 4277990), (20, 3850191), (30, 2566794), (36, 2138995), (45, 1711196), (60, 1283397), (90, 855598), (180, 427799), (419, 183780), (838, 91890), (1021, 75420), (1257, 61260), (1676, 45945), (2042, 37710), (2095, 36756), (2514, 30630), (3063, 25140), (3771, 20420), (4084, 18855), (4190, 18378), (5028, 15315), (5105, 15084), (6126, 12570), (6285, 12252), (7542, 10210), (8380, 9189)]