77495220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39139}}^1$

素因数の和:39165

約数の個数: 72

約数和(自身を含む): 256445280

約数和(自身を除く): 178950060

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, 39139, 78278, 117417, 156556, 195695, 234834, 352251, 391390, 430529, 469668, 587085, 704502, 782780, 861058, 1174170, 1291587, 1409004, 1722116, 1761255, 2152645, 2348340, 2583174, 3522510, 3874761, 4305290, 5166348, 6457935, 7045020, 7749522, 8610580, 12915870, 15499044, 19373805, 25831740, 38747610, 77495220]

約数ペア:

[(1, 77495220), (2, 38747610), (3, 25831740), (4, 19373805), (5, 15499044), (6, 12915870), (9, 8610580), (10, 7749522), (11, 7045020), (12, 6457935), (15, 5166348), (18, 4305290), (20, 3874761), (22, 3522510), (30, 2583174), (33, 2348340), (36, 2152645), (44, 1761255), (45, 1722116), (55, 1409004), (60, 1291587), (66, 1174170), (90, 861058), (99, 782780), (110, 704502), (132, 587085), (165, 469668), (180, 430529), (198, 391390), (220, 352251), (330, 234834), (396, 195695), (495, 156556), (660, 117417), (990, 78278), (1980, 39139)]