15620940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{86783}}^1$

素因数の和:86798

約数の個数: 36

約数和(自身を含む): 47384064

約数和(自身を除く): 31763124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 86783, 173566, 260349, 347132, 433915, 520698, 781047, 867830, 1041396, 1301745, 1562094, 1735660, 2603490, 3124188, 3905235, 5206980, 7810470, 15620940]

約数ペア:

[(1, 15620940), (2, 7810470), (3, 5206980), (4, 3905235), (5, 3124188), (6, 2603490), (9, 1735660), (10, 1562094), (12, 1301745), (15, 1041396), (18, 867830), (20, 781047), (30, 520698), (36, 433915), (45, 347132), (60, 260349), (90, 173566), (180, 86783)]