1215692977240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{620251519}}^1$

素因数の和:620251544

約数の個数: 48

約数和(自身を含む): 3181890297600

約数和(自身を除く): 1966197320360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 620251519, 1240503038, 2481006076, 3101257595, 4341760633, 4962012152, 6202515190, 8683521266, 12405030380, 17367042532, 21708803165, 24810060760, 30392324431, 34734085064, 43417606330, 60784648862, 86835212660, 121569297724, 151961622155, 173670425320, 243138595448, 303923244310, 607846488620, 1215692977240]

約数ペア:

[(1, 1215692977240), (2, 607846488620), (4, 303923244310), (5, 243138595448), (7, 173670425320), (8, 151961622155), (10, 121569297724), (14, 86835212660), (20, 60784648862), (28, 43417606330), (35, 34734085064), (40, 30392324431), (49, 24810060760), (56, 21708803165), (70, 17367042532), (98, 12405030380), (140, 8683521266), (196, 6202515190), (245, 4962012152), (280, 4341760633), (392, 3101257595), (490, 2481006076), (980, 1240503038), (1960, 620251519)]