80011980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8387}}^1$

素因数の和:8455

約数の個数: 72

約数和(自身を含む): 247311792

約数和(自身を除く): 167299812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 8387, 9540, 16774, 25161, 33548, 41935, 50322, 75483, 83870, 100644, 125805, 150966, 167740, 251610, 301932, 377415, 444511, 503220, 754830, 889022, 1333533, 1509660, 1778044, 2222555, 2667066, 4000599, 4445110, 5334132, 6667665, 8001198, 8890220, 13335330, 16002396, 20002995, 26670660, 40005990, 80011980]

約数ペア:

[(1, 80011980), (2, 40005990), (3, 26670660), (4, 20002995), (5, 16002396), (6, 13335330), (9, 8890220), (10, 8001198), (12, 6667665), (15, 5334132), (18, 4445110), (20, 4000599), (30, 2667066), (36, 2222555), (45, 1778044), (53, 1509660), (60, 1333533), (90, 889022), (106, 754830), (159, 503220), (180, 444511), (212, 377415), (265, 301932), (318, 251610), (477, 167740), (530, 150966), (636, 125805), (795, 100644), (954, 83870), (1060, 75483), (1590, 50322), (1908, 41935), (2385, 33548), (3180, 25161), (4770, 16774), (8387, 9540)]