61812140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7669}}^1$

素因数の和:7722

約数の個数: 48

約数和(自身を含む): 144318720

約数和(自身を除く): 82506580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 7669, 8060, 15338, 30676, 38345, 76690, 99697, 153380, 199394, 237739, 398788, 475478, 498485, 950956, 996970, 1188695, 1993940, 2377390, 3090607, 4754780, 6181214, 12362428, 15453035, 30906070, 61812140]

約数ペア:

[(1, 61812140), (2, 30906070), (4, 15453035), (5, 12362428), (10, 6181214), (13, 4754780), (20, 3090607), (26, 2377390), (31, 1993940), (52, 1188695), (62, 996970), (65, 950956), (124, 498485), (130, 475478), (155, 398788), (260, 237739), (310, 199394), (403, 153380), (620, 99697), (806, 76690), (1612, 38345), (2015, 30676), (4030, 15338), (7669, 8060)]