2818980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{15661}}^1$

素因数の和:15676

約数の個数: 36

約数和(自身を含む): 8551452

約数和(自身を除く): 5732472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 15661, 31322, 46983, 62644, 78305, 93966, 140949, 156610, 187932, 234915, 281898, 313220, 469830, 563796, 704745, 939660, 1409490, 2818980]

約数ペア:

[(1, 2818980), (2, 1409490), (3, 939660), (4, 704745), (5, 563796), (6, 469830), (9, 313220), (10, 281898), (12, 234915), (15, 187932), (18, 156610), (20, 140949), (30, 93966), (36, 78305), (45, 62644), (60, 46983), (90, 31322), (180, 15661)]