71818128

素因数分解:

$2^4\times 3^2\times {\mathrm{251}}^1\times {\mathrm{1987}}^1$

素因数の和:2252

約数の個数: 60

約数和(自身を含む): 201893328

約数和(自身を除く): 130075200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 251, 502, 753, 1004, 1506, 1987, 2008, 2259, 3012, 3974, 4016, 4518, 5961, 6024, 7948, 9036, 11922, 12048, 15896, 17883, 18072, 23844, 31792, 35766, 36144, 47688, 71532, 95376, 143064, 286128, 498737, 997474, 1496211, 1994948, 2992422, 3989896, 4488633, 5984844, 7979792, 8977266, 11969688, 17954532, 23939376, 35909064, 71818128]

約数ペア:

[(1, 71818128), (2, 35909064), (3, 23939376), (4, 17954532), (6, 11969688), (8, 8977266), (9, 7979792), (12, 5984844), (16, 4488633), (18, 3989896), (24, 2992422), (36, 1994948), (48, 1496211), (72, 997474), (144, 498737), (251, 286128), (502, 143064), (753, 95376), (1004, 71532), (1506, 47688), (1987, 36144), (2008, 35766), (2259, 31792), (3012, 23844), (3974, 18072), (4016, 17883), (4518, 15896), (5961, 12048), (6024, 11922), (7948, 9036)]