51335880

素因数分解:

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

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 154526400

約数和(自身を除く): 103190520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 419, 838, 1021, 1257, 1676, 2042, 2095, 2514, 3063, 3352, 4084, 4190, 5028, 5105, 6126, 6285, 8168, 8380, 10056, 10210, 12252, 12570, 15315, 16760, 20420, 24504, 25140, 30630, 40840, 50280, 61260, 122520, 427799, 855598, 1283397, 1711196, 2138995, 2566794, 3422392, 4277990, 5133588, 6416985, 8555980, 10267176, 12833970, 17111960, 25667940, 51335880]

約数ペア:

[(1, 51335880), (2, 25667940), (3, 17111960), (4, 12833970), (5, 10267176), (6, 8555980), (8, 6416985), (10, 5133588), (12, 4277990), (15, 3422392), (20, 2566794), (24, 2138995), (30, 1711196), (40, 1283397), (60, 855598), (120, 427799), (419, 122520), (838, 61260), (1021, 50280), (1257, 40840), (1676, 30630), (2042, 25140), (2095, 24504), (2514, 20420), (3063, 16760), (3352, 15315), (4084, 12570), (4190, 12252), (5028, 10210), (5105, 10056), (6126, 8380), (6285, 8168)]