30821560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10007}}^1$

素因数の和:10036

約数の個数: 64

約数和(自身を含む): 86469120

約数和(自身を除く): 55647560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10007, 20014, 40028, 50035, 70049, 80056, 100070, 110077, 140098, 200140, 220154, 280196, 350245, 400280, 440308, 550385, 560392, 700490, 770539, 880616, 1100770, 1400980, 1541078, 2201540, 2801960, 3082156, 3852695, 4403080, 6164312, 7705390, 15410780, 30821560]

約数ペア:

[(1, 30821560), (2, 15410780), (4, 7705390), (5, 6164312), (7, 4403080), (8, 3852695), (10, 3082156), (11, 2801960), (14, 2201540), (20, 1541078), (22, 1400980), (28, 1100770), (35, 880616), (40, 770539), (44, 700490), (55, 560392), (56, 550385), (70, 440308), (77, 400280), (88, 350245), (110, 280196), (140, 220154), (154, 200140), (220, 140098), (280, 110077), (308, 100070), (385, 80056), (440, 70049), (616, 50035), (770, 40028), (1540, 20014), (3080, 10007)]