15940020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1783}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 44956800

約数和(自身を除く): 29016780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1783, 1788, 2235, 2980, 3566, 4470, 5349, 7132, 8915, 8940, 10698, 17830, 21396, 26745, 35660, 53490, 106980, 265667, 531334, 797001, 1062668, 1328335, 1594002, 2656670, 3188004, 3985005, 5313340, 7970010, 15940020]

約数ペア:

[(1, 15940020), (2, 7970010), (3, 5313340), (4, 3985005), (5, 3188004), (6, 2656670), (10, 1594002), (12, 1328335), (15, 1062668), (20, 797001), (30, 531334), (60, 265667), (149, 106980), (298, 53490), (447, 35660), (596, 26745), (745, 21396), (894, 17830), (1490, 10698), (1783, 8940), (1788, 8915), (2235, 7132), (2980, 5349), (3566, 4470)]