53220420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26879}}^1$

素因数の和:26905

約数の個数: 72

約数和(自身を含む): 176117760

約数和(自身を除く): 122897340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 26879, 53758, 80637, 107516, 134395, 161274, 241911, 268790, 295669, 322548, 403185, 483822, 537580, 591338, 806370, 887007, 967644, 1182676, 1209555, 1478345, 1612740, 1774014, 2419110, 2661021, 2956690, 3548028, 4435035, 4838220, 5322042, 5913380, 8870070, 10644084, 13305105, 17740140, 26610210, 53220420]

約数ペア:

[(1, 53220420), (2, 26610210), (3, 17740140), (4, 13305105), (5, 10644084), (6, 8870070), (9, 5913380), (10, 5322042), (11, 4838220), (12, 4435035), (15, 3548028), (18, 2956690), (20, 2661021), (22, 2419110), (30, 1774014), (33, 1612740), (36, 1478345), (44, 1209555), (45, 1182676), (55, 967644), (60, 887007), (66, 806370), (90, 591338), (99, 537580), (110, 483822), (132, 403185), (165, 322548), (180, 295669), (198, 268790), (220, 241911), (330, 161274), (396, 134395), (495, 107516), (660, 80637), (990, 53758), (1980, 26879)]